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Xerox M20 - WorkCentre B/W Laser Service Manual

Manual is about: Xerox WorkCentre M20i: User Guide

Summary of M20 - WorkCentre B/W Laser

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    Please note the following: this output is created from an electronic documentation (edoc) database and is not optimised for hard copy. Please be aware of the following: •text may not appear to be in the logical order when flowing around figures. •text may continue on a following page without indicat...

  • Page 3: Xerox

    Service manual binder inserts front pocket insert spine insert xerox workcentre m20 family service manual xerox workcentre m20 family service manual.

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    March 2004 xerox workcentre m20 family service manual.

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    Workcentre m20 family service documentation workcentre m20 service manual 708p87563 march 2004 prepared by: the document company, xerox global knowledge & language services enterprise centre p.O. Box 17 bessemer road welwyn garden city hertfordshire al7 1he england. © copyright 2004 by xerox europe....

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    Page rev. I 03/04 ii 03/04 iii 03/04 iv 03/04 v 03/04 vi 03/04 vii 03/04 viii 03/04 ix 03/04 x 03/04 xi 03/04 xii 03/04 xiii 03/04 xiv 03/04 xv 03/04 xvi 03/04 xvii 03/04 xviii 03/04 xix 03/04 xx 03/04 xxi 03/04 xxii 03/04 xxiii 03/04 xxiv 03/04 1-1 03/04 1-2 03/04 1-3 03/04 1-4 03/04 1-5 03/04 1-6 ...

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    March 2004 i work centre m20 family introduction introduction about this manual .......................................................................................................... Iii warnings, cautions and notes ...................................................................................

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    March 2004 ii work centre m20 family introduction.

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    March 2004 iii work centre m20 family about this manual introduction about this manual this manual is part of a multinational service documentation system that is structured in the standard xerox service manual format. This manual is based on a japanese original. The part names used throughout do no...

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    March 2004 iv work centre m20 family warnings, cautions and notes introduction warnings, cautions and notes a translated version of all warnings is in translation of warnings. Warning a warning is used whenever an operating or maintenance procedure, practice, condi- tion or statement, if not strictl...

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    March 2004 v work centre m20 family safety precautions introduction safety precautions follow these safety, esd, and servicing precautions to prevent personal injury and equipment damage. 1. Ensure that all built in protective devices are in place. Restore any missing protective shields. 2. Make sur...

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    March 2004 vi work centre m20 family health and safety incident reporting introduction health and safety incident reporting i. Summary this section defines requirements for notification of health and safety incidents involving xerox products (equipment and materials) at customer locations. Ii. Scope...

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    March 2004 vii work centre m20 family translation of warnings introduction translation of warnings introduction warnings, cautions and notes warning a warning is used whenever an operating or maintenance procedure, practice, condi- tion or statement, if not strictly observed, could result in persona...

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    March 2004 viii work centre m20 family translation of warnings introduction mentation de la prise pendant les activités de dépannage ne nécessitant pas d'alimenta- tion électrique. L'électricité peut entraîner des blessures graves voire mortelles. Les pièces mobiles peuvent également présenter un da...

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    March 2004 ix work centre m20 family translation of warnings introduction vorsicht: gerät ausschalten. Bei wartungsarbeiten, die keine stromzufuhr erfordern, netzstecker ziehen! Bei kontakt mit der netzspannung besteht verletzungs- und leb- ensgefahr. Bei beweglichen teilen besteht verletzungsgefahr...

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    March 2004 x work centre m20 family translation of warnings introduction tion électrique. L'électricité peut entraîner des blessures graves voire mortelles. Les pièces mobiles peuvent également présenter un danger. Avvertenza: spegnere la macchina. Scollegare il cavo elettrico dalla presa durante gl...

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    March 2004 xi work centre m20 family translation of warnings introduction supply while performing tasks that do not need electricity. Electricity can cause death or injury. Moving parts can cause injury. Danger : couper l'alimentation électrique de la machine. Déconnecter le cordon d'ali- mentation ...

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    March 2004 xii work centre m20 family translation of warnings introduction do not touch the fuser while it is hot. Danger : ne pas toucher au four pendant qu'il est encore chaud. Avvertenza: non toccare il fonditore quando è caldo. Vorsicht: fixierbereich erst berühren, wenn dieser abgekühlt ist. Av...

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    March 2004 xiii work centre m20 family translation of warnings introduction pièces mobiles peuvent également présenter un danger. Avvertenza: spegnere la macchina. Scollegare il cavo elettrico dalla presa durante gli interventi che non richiedono elettricità. L'elettricità può causare infortuni o mo...

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    March 2004 xiv work centre m20 family translation of warnings introduction onare parti della macchina che possono causare lesioni personali. Vorsicht: gerät ausschalten. Bei wartungsarbeiten, die keine stromzufuhr erfordern, netzstecker ziehen! Bei kontakt mit der netzspannung besteht verletzungs- u...

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    March 2004 xv work centre m20 family translation of warnings introduction ensgefahr. Bei beweglichen teilen besteht verletzungsgefahr. Aviso: apague la máquina. Desconecte el cable de alimentación de la toma de corriente mientras efectúa tareas que no necesitan energía eléctrica. La electricidad pue...

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    March 2004 xvi work centre m20 family translation of warnings introduction avvertenza: spegnere la macchina. Scollegare il cavo elettrico dalla presa durante gli interventi che non richiedono elettricità. L'elettricità può causare infortuni o morte e azi- onare parti della macchina che possono causa...

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    March 2004 xvii work centre m20 family translation of warnings introduction interventi che non richiedono elettricità. L'elettricità può causare infortuni o morte e azi- onare parti della macchina che possono causare lesioni personali. Vorsicht: gerät ausschalten. Bei wartungsarbeiten, die keine str...

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    March 2004 xviii work centre m20 family translation of warnings introduction danger : exécuter cette procédure avec précaution. La présence de bords tranchants peut entraîner des blessures. Avvertenza: procedere con cautela durante questa procedura. Possono essere pre- senti oggetti con bordi taglie...

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    March 2004 xix work centre m20 family translation of warnings introduction switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need electricity. Electricity can cause death or injury. Moving parts can cause injury. Danger :...

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    March 2004 xx work centre m20 family translation of warnings introduction warning take care during this procedure. Sharp edges may be present that can cause injury. Danger : exécuter cette procédure avec précaution. La présence de bords tranchants peut entraîner des blessures. Avvertenza: procedere ...

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    March 2004 xxi work centre m20 family translation of warnings introduction podrían producir lesiones. Rep 8.4 ela hou - mp assembly warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need electricity. Electricity c...

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    March 2004 xxii work centre m20 family translation of warnings introduction pièces mobiles peuvent également présenter un danger. Avvertenza: spegnere la macchina. Scollegare il cavo elettrico dalla presa durante gli interventi che non richiedono elettricità. L'elettricità può causare infortuni o mo...

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    March 2004 xxiii work centre m20 family translation of warnings introduction onare parti della macchina che possono causare lesioni personali. Vorsicht: gerät ausschalten. Bei wartungsarbeiten, die keine stromzufuhr erfordern, netzstecker ziehen! Bei kontakt mit der netzspannung besteht verletzungs-...

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    March 2004 xxiv work centre m20 family translation of warnings introduction.

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    March 2004 1-1 work centre m20 family service call procedures 1 service call procedures scp 1 initial actions........................................................................................................ 1-3 scp 2 first call actions ............................................................

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    March 2004 1-2 work centre m20 family service call procedures.

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    March 2004 1-3 work centre m20 family scp 1, scp 2 service call procedures scp 1 initial actions initial actions are used to gather information on the machine performance the service call procedures section is used to identify a suspected problem with the machine. Start a service call with this proc...

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    March 2004 1-4 work centre m20 family scp 3, scp 4 service call procedures scp 3 normal call actions normal call actions are used to determine the reason for the service call. Procedure note: if a fault message appears at any time. Refer directly to the rap for the fault message and perform the proc...

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    March 2004 1-5 work centre m20 family scp 4 service call procedures • iq5 vertical white lines rap. • iq6 light image rap • iq7 dark image rap. • iq8 background rap • iq9 ghost images rap. • iq10 stains on back of paper rap. • iq11 poor fusing rap. • iq12 partial blank image (not periodic rap). • iq...

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    March 2004 1-6 work centre m20 family scp 5, scp 6 service call procedures scp 5 subsystem maintenance subsystem maintenance contains information regarding the component life of the machine. Component life warning switch off the electricity to the machine. Disconnect the power cord from the cus- tom...

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    March 2004 1-7 work centre m20 family scp 7 service call procedures scp 7 machine configurations and options machine configurations and options refer to table 1 for the copycentre c20, workcentre m20 and workcentre m20i configura- tions and options. Note: 1. These components are only available as pa...

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    March 2004 1-8 work centre m20 family scp 7 service call procedures.

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    March 2004 2-1 work centre m20 family status indicator raps 2 status indicator raps 1.1 power failure rap.................................................................................................... 2-3 5.1 load document rap .......................................................................

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    March 2004 2-2 work centre m20 family status indicator raps.

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    March 2004 2-3 work centre m20 family 1.1 status indicator raps 1.1 power failure rap use this rap to identify the cause of a power supply failure. Procedure warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need ...

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    March 2004 2-4 work centre m20 family 5.1, 5.2 status indicator raps 5.1 load document rap the machine has detected a no document loaded, when a document is required. Procedure warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing task...

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    March 2004 2-5 work centre m20 family 6.1, 8.1 status indicator raps 6.1 lsu error rap the machine has detected that the lsu unit has not come to the ready state at the expected time. Procedure warning switch off the electricity to the machine. Disconnect the power cord from the customer supply whil...

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    March 2004 2-6 work centre m20 family 8.2, 8.3 status indicator raps 8.2 bypass jam rap the machine has detected a failure to feed from the bypass tray. Procedure warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not ...

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    March 2004 2-7 work centre m20 family 8.4, 8.5 status indicator raps 8.4 paper jam 0 open/close door rap the machine has failed to detect paper at the feed sensor. Procedure warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks t...

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    March 2004 2-8 work centre m20 family 8.6, 8.7 status indicator raps 8.6 paper jam 2 check inside rap the machine has detected paper at the output sensor. Procedure warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do no...

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    March 2004 2-9 work centre m20 family 9.1, 9.2 status indicator raps 9.1 install cartridge rap the toner cartridge is not installed or the crum in the toner cartridge is not in good contact with the pmo housing terminal mc2. Procedure warning switch off the electricity to the machine. Disconnect the...

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    March 2004 2-10 work centre m20 family 9.3, 9.4 status indicator raps 9.3 drum warning rap the drum cartridge is near the end of the design life. The message indicates that the drum has reached 18,000 print pages. The drum life is 20,000 print pages. Procedure warning switch off the electricity to t...

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    March 2004 2-11 work centre m20 family 9.5, 9.6 status indicator raps 9.5 toner empty rap the machine has detected that the toner cartridge is empty. Procedure warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not nee...

  • Page 52

    March 2004 2-12 work centre m20 family 10.1, 10.2 status indicator raps 10.1 low heat error rap the fuser has failed to reach the correct operating temperature or a disconnected thermistor has been detected. Procedure warning switch off the electricity to the machine. Disconnect the power cord from ...

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    March 2004 2-13 work centre m20 family 10.3, 20.1 status indicator raps 10.3 over heat error rap the fuser temperature has risen above the normal level. Although the fuser unit can return to a normal operating temperature, the fuser unit may consequently be damaged. Procedure warning switch off the ...

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    March 2004 2-14 work centre m20 family 20.1, 20.2 status indicator raps retry redial? This indicates that the machine is waiting to re-dial. Press start to re-dial immediately, or press stop to cancel the re-dial procedure. 20.2 scan to e-mail error messages rap this is the set if messages displayed...

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    March 2004 2-15 work centre m20 family 20.2, 20.3 status indicator raps group full the user has attempted to enter a number into a group that is full. Try deleting unused num- bers. Invalid email id the user has attempted to enter an invalid email id. Expamples are: • spaces in the id • invalid star...

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    March 2004 2-16 work centre m20 family of1, of2 status indicator raps of1 function impossible rap the selected mode is not supported in the current machine configuration. Procedure warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing ...

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    March 2004 2-17 work centre m20 family of3, of4 status indicator raps of3 use auxiliary access rap the machine has detected that there is no credit in the foreign device. Procedure warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing ...

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    March 2004 2-18 work centre m20 family of4 status indicator raps solution: – clean the dadh input tray in the area beneath the input guides. Unusual noise from the ela hou scanner assembly possible causes are: • mis-aligned or damaged parts. • defective motor driver. Solution: • check the position o...

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    March 2004 3-1 work centre m20 family image quality 3 image quality image quality raps iq1 blank copies rap .................................................................................................... 3-3 iq2 black copies from the scanner rap ....................................................

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    March 2004 3-2 work centre m20 family image quality.

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    March 2004 3-3 work centre m20 family iq1, iq2 image quality iq1 blank copies rap use this rap when the machine produces blank copies. Procedure warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need electricity. ...

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    March 2004 3-4 work centre m20 family iq3, iq4 image quality iq3 blurred image from the scanner rap use this rap when the scanner produces blurred images. Procedure warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do no...

  • Page 63

    March 2004 3-5 work centre m20 family iq5, iq6 image quality iq5 vertical white lines rap use this rap when there are white lines along the process direction, as shown in figure 1. Figure 1 vertical white lines procedure warning switch off the electricity to the machine. Disconnect the power cord fr...

  • Page 64

    March 2004 3-6 work centre m20 family iq6, iq7 image quality • clean any contamination on the ela - toner unit set. If necessary, install a new ela - toner unit set, pl 9.10 item 2. 7. Ensure the transfer roller contacts, which are housed within the pmo - housing terminal mc2 are not deformed. If ne...

  • Page 65

    March 2004 3-7 work centre m20 family iq8, iq9 image quality iq8 background rap use this rap when the printed sheets have a dark or spotted background, as shown in figure 1. Figure 1 background procedure warning switch off the electricity to the machine. Disconnect the power cord from the customer s...

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    March 2004 3-8 work centre m20 family iq9, iq10 image quality • if the distance between the image and the defect matches the heat roller or pressure roller, perform the following: – ensure that the paper tray settings match the paper or media size in the trays. Ensure the media is within specificati...

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    March 2004 3-9 work centre m20 family iq11, iq12 image quality iq11 poor fusing rap use this rap when the image is improperly fused. Procedure warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need electricity. El...

  • Page 68

    March 2004 3-10 work centre m20 family iq13, iq14 image quality iq13 partial blank image (periodic) rap use this rap when the printed sheets have blank areas that form a regular, or repeated, pat- tern. Procedure warning switch off the electricity to the machine. Disconnect the power cord from the c...

  • Page 69

    March 2004 3-11 work centre m20 family iq15 image quality iq15 horizontal bands rap use this rap when the image has bands appearing across the process direction. An example is shown in figure 1. Figure 1 horizontal bands procedure warning switch off the electricity to the machine. Disconnect the pow...

  • Page 70

    March 2004 3-12 work centre m20 family iq16 image quality iq16 periodic printing defects check rap use this rap when the printed image shows regular patterns in black or white, across the pro- cess direction. Procedure warning switch off the electricity to the machine. Disconnect the power cord from...

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    March 2004 3-13 work centre m20 family iqs 1 image quality iqs 1 solid area density documents test pattern: 82p524 and the solid area density scales, 82e8230 (sir 542.00) or 82p448 (sir 494.00). Specification make a copy of the test pattern. Compare the copy with the solid area density scale. The de...

  • Page 72

    March 2004 3-14 work centre m20 family iqs 2, iqs 3 image quality iqs 2 skew documents test pattern: 82p524. Specification refer to table 1, skew specifications. Iqs 3 registration documents test pattern: 82p524 specifications refer to table 1. Table 1 skew specifications skew specification print sk...

  • Page 73

    March 2004 4-1 work centre m20 family repairs and adjustments 4 repairs and adjustments rep 1.1 smps + hvps.................................................................................................. 4-3 rep 1.2 pba main ............................................................................

  • Page 74

    March 2004 4-2 work centre m20 family repairs and adjustments.

  • Page 75

    March 2004 4-3 work centre m20 family rep 1.1 repairs and adjustments rep 1.1 smps + hvps parts list on pl 1.10 removal warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need electricity. Electricity can cause dea...

  • Page 76

    March 2004 4-4 work centre m20 family rep 1.2 repairs and adjustments rep 1.2 pba main parts list on pl 1.10 removal warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need electricity. Electricity can cause death ...

  • Page 77

    March 2004 4-5 work centre m20 family rep 1.2, rep 2.1 repairs and adjustments figure 2 pba main removal replacement 1. Replacement is the reverse of the removal procedure. 2. If a new pba main has been installed, perform a memory clear, gp 5. 3. If a new pba main has been installed, re-enter the ma...

  • Page 78

    March 2004 4-6 work centre m20 family rep 2.1 repairs and adjustments figure 2 pba sub - ope removal 4. Remove the rubber contacts, figure 3. Figure 3 rubber contacts removal 5. Remove the key pads, figure 4. Figure 4 key pads removal 1 remove 13 screws. 2 carefully remove the pba sub - ope. 1 remov...

  • Page 79

    March 2004 4-7 work centre m20 family rep 2.1 repairs and adjustments 6. If installed, remove the cover e-mail, figure 5. Figure 5 cover e-mail removal 7. Remove pba sub e-mail, figure 6. Figure 6 pba sub e-mail removal 8. Remove the key plate, figure 7. Figure 7 key plate removal 9. Remove the e-ma...

  • Page 80

    March 2004 4-8 work centre m20 family rep 4.1 repairs and adjustments rep 4.1 ela hou - drive assembly parts list on pl 4.20 removal warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need electricity. Electricity ...

  • Page 81

    March 2004 4-9 work centre m20 family rep 4.1, rep 4.2 repairs and adjustments replacement 1. Replacement is the reverse of the removal procedure. To make the replacement of the drive assembly easier, pull out the ela - opc unit set pl 9.10 item 1 and ela - toner unit set, pl 9.10 item 2 approximate...

  • Page 82

    March 2004 4-10 work centre m20 family rep 4.2, rep 4.3 repairs and adjustments figure 2 mea unit - rear cover removal replacement replacement is the reverse of the removal procedure. Rep 4.3 pmo cover exit rear parts list on pl 4.25 removal warning switch off the electricity to the machine. Disconn...

  • Page 83

    March 2004 4-11 work centre m20 family rep 4.3, rep 4.4 repairs and adjustments figure 2 pmo cover exit rear removal replacement replacement is the reverse of the removal procedure. Rep 4.4 ela hou - frame main assembly parts list on pl 4.15 removal warning switch off the electricity to the machine....

  • Page 84

    March 2004 4-12 work centre m20 family rep 4.4 repairs and adjustments figure 1 dummy base frame removal 8. Remove the cover bracket motor and pmo lock developer, figure 2. Figure 2 cover bracket motor removal 9. Prepare to remove the ela hou - frame main assembly, figure 3. Figure 3 preparation 1 r...

  • Page 85

    March 2004 4-13 work centre m20 family rep 4.4, rep 5.1 repairs and adjustments 10. Remove the ela hou main frame assembly, figure 4. Figure 4 ela hou - frame main assembly removal replacement replacement is the reverse of the removal procedure. Rep 5.1 ela hou - dadf parts list on pl 5.10, pl 5.11,...

  • Page 86

    March 2004 4-14 work centre m20 family rep 5.1 repairs and adjustments warning do not remove the dadf while the dadf is lowered. In the lowered position the coun- terbalance springs are compressed and can cause injury when released. 4. Remove the ela hou - dadf, figure 2. Place the ela hou - dadf on...

  • Page 87

    March 2004 4-15 work centre m20 family rep 5.1 repairs and adjustments figure 5 rear cover removal 8. Remove the mea unit - tx stacker, figure 6. Figure 6 mea unit - tx stacker removal 9. Prepare to remove the mea unit cover open, figure 7. Note: removing the 4 screws that secure the guide - m scan ...

  • Page 88

    March 2004 4-16 work centre m20 family rep 5.1 repairs and adjustments figure 8 mea unit - cover open removal 11. Remove the mea unit guide duplex, figure 9. Figure 9 mea unit guide duplex removal 12. Remove the mea unit support pick up assembly, figure 10. Figure 10 mea unit support pick up assembl...

  • Page 89

    March 2004 4-17 work centre m20 family rep 5.1 repairs and adjustments figure 11 mea unit - pickup removal 14. Prepare to remove the guide - m scan assembly, figure 12. Figure 12 preparation 15. Remove the guide - m scan assembly, figure 13. Figure 13 guide - m scan assembly removal 16. Prepare to r...

  • Page 90

    March 2004 4-18 work centre m20 family rep 5.1 repairs and adjustments figure 15 mea unit guide pickup assembly removal 18. Remove the guides, figure 16. Figure 16 guide removal 19. Remove the cover - p gear, figure 17. 1 remove 3 screws. 2 remove the mea unit guide pickup assembly. 1 remove 3 screw...

  • Page 91

    March 2004 4-19 work centre m20 family rep 5.1 repairs and adjustments figure 17 cover - p gear removal 20. Remove the ela hou - dadf motor assembly, figure 18. Figure 18 ela hou - dadf motor assembly removal 21. Remove the ela hou - duplex motor assembly, figure 19. Figure 19 ela hou - duplex motor...

  • Page 92

    March 2004 4-20 work centre m20 family rep 5.1, rep 6.1 repairs and adjustments • the mec clutch small (feed) connects to the black wires. • the mec clutch small (registration) connects to the green wires. • the mec clutch small (duplex) connects to the yellow wires. • the ela hou - cover open switc...

  • Page 93

    March 2004 4-21 work centre m20 family rep 6.1 repairs and adjustments figure 1 preparation 3. Remove the unit - lsu, figure 2. Figure 2 unit - lsu removal replacement replacement is the reverse of the removal procedure. 1 disconnect cn3. 1 remove 3 screws, then the unit - lsu..

  • Page 94

    March 2004 4-22 work centre m20 family rep 7.1 repairs and adjustments rep 7.1 mec unit - tray assembly parts list on pl 8.11 removal warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need electricity. Electricity...

  • Page 95

    March 2004 4-23 work centre m20 family rep 8.1 repairs and adjustments rep 8.1 ela hou - side cover assembly parts list on pl 8.10 removal warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need electricity. Electr...

  • Page 96

    March 2004 4-24 work centre m20 family rep 8.2, rep 8.3 repairs and adjustments rep 8.2 mea unit - duplex assembly parts list on pl 8.10 and pl 8.11 removal warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need e...

  • Page 97

    March 2004 4-25 work centre m20 family rep 8.4 repairs and adjustments rep 8.4 ela hou - mp assembly parts list on pl 4.25 and pl 8.20 removal warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need electricity. El...

  • Page 98

    March 2004 4-26 work centre m20 family rep 8.4, rep 8.5 repairs and adjustments figure 4 ela hou - mp assembly removal replacement replacement is the reverse of the removal procedure. Rep 8.5 mea unit - feed roller assembly parts list on pl 8.15 removal warning switch off the electricity to the mach...

  • Page 99

    March 2004 4-27 work centre m20 family rep 8.5, rep 8.6 repairs and adjustments figure 2 mea unit - feed roller assembly removal replacement replacement is the reverse of the removal procedure. Rep 8.6 ela hou - pickup assembly parts list on pl 8.25 removal warning switch off the electricity to the ...

  • Page 100

    March 2004 4-28 work centre m20 family rep 8.6 repairs and adjustments figure 2 mea unit guide cst pa assembly removal 5. Remove the solenoid pickup and gear - pickup, figure 3. Figure 3 solenoid and gear pickup removal caution do not damage the ipr gnd input when removing the ela hou pickup plus as...

  • Page 101

    March 2004 4-29 work centre m20 family rep 8.6, rep 10.1 repairs and adjustments figure 4 ela hou - pickup plus assembly removal replacement replacement is the reverse of the removal procedure. When reinstalling the mea unit guide cst pa assembly, ensure the pmo sheet guide paper, pl 4.25 item 11 an...

  • Page 102

    March 2004 4-30 work centre m20 family rep 10.1 repairs and adjustments 3. Disconnect the fuser connector, figure 2. Figure 2 fuser connector 4. Remove the ela hou - fuser assembly, figure 3. Figure 3 ela hou - fuser assembly removal replacement replacement is the reverse of the removal procedure. 1...

  • Page 103

    March 2004 4-31 work centre m20 family rep 10.2 repairs and adjustments rep 10.2 mec - exit assembly parts list on pl 10.10 removal warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need electricity. Electricity c...

  • Page 104

    March 2004 4-32 work centre m20 family rep 10.3 repairs and adjustments rep 10.3 mea unit - cover pa exit assembly parts list on pl 4.25 removal warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need electricity. ...

  • Page 105

    March 2004 4-33 work centre m20 family rep 14.1 repairs and adjustments rep 14.1 ela hou - scanner assembly parts list on pl 14.10 and pl 14.11 removal warning switch off the electricity to the machine. Disconnect the power cord from the customer supply while performing tasks that do not need electr...

  • Page 106

    March 2004 4-34 work centre m20 family rep 14.1 repairs and adjustments 6. Remove 2 securing screws from the front of the machine, figure 4. Figure 4 screw removal 7. Remove the ela hou - scanner assembly, figure 5. Figure 5 ela hou - scanner assembly removal 8. Remove the 3 screws securing the ela ...

  • Page 107

    March 2004 4-35 work centre m20 family rep 14.1 repairs and adjustments figure 6 screw removal 9. Remove the ela hou ope assembly, figure 7. Figure 7 ela hou ope assembly removal caution do not allow the optics cavity to become contaminated. Contamination of the optics cavity can cause image quality...

  • Page 108

    March 2004 4-36 work centre m20 family rep 14.1 repairs and adjustments figure 9 ela hou scan upper assembly removal 12. Remove the a/s material dummy upper assembly, figure 10. Figure 10 a/s material dummy upper assembly removal 13. Remove the ipr - channel base frame, figure 11. Figure 11 ipr - ch...

  • Page 109

    March 2004 4-37 work centre m20 family rep 14.1 repairs and adjustments figure 12 pmo - cover dummy lower removal 15. Remove the cover m ccd cable, figure 13. Figure 13 cover m ccd cable removal 16. Remove the cbf signal -ccd ffc, figure 14. Figure 14 cbf signal - ccd ffc removal 17. Remove the ela ...

  • Page 110

    March 2004 4-38 work centre m20 family rep 14.1 repairs and adjustments figure 15 ela hou - ccd module removal 18. Remove the ela hou - scan motor, figure 16. Figure 16 ela hou - scan motor removal 19. Remove the pba sub - d sub, pl 14.11 item 5. Replacement 1. Replacement is the reverse of the remo...

  • Page 111

    March 2004 4-39 work centre m20 family adj 1.1 repairs and adjustments adj 1.1 machine settings purpose to correctly set up the machine. Procedure all adjustments to the machines settings are made via gp 2, user mode entry or gp 3 service mode entry. Go to the relevant procedure..

  • Page 112

    March 2004 4-40 work centre m20 family adj 1.1 repairs and adjustments.

  • Page 113

    March 2004 5-1 work centre m20 family parts list 5 parts list pl 1- standby power pl 1.10 smps and pba main......................................................................................... 5-3 pl 2 - user interface pl 2.10 ope assembly (1 of 2) ..................................................

  • Page 114

    March 2004 5-2 work centre m20 family parts list.

  • Page 115

    March 2004 5-3 work centre m20 family pl 1.10 parts list pl 1.10 smps and pba main item part description 1 – ipr - shield smps upper (not spared) (rep 1.1) 2 152n11548 cbf power switch grey 3 152n11550 cbf harness - power + hvps 4 140n62860 smps + hvps (xe) (rep 1.1) – 140n62859 smps + hvps (nasg/xc...

  • Page 116

    March 2004 5-4 work centre m20 family pl 2.10 parts list pl 2.10 ope assembly (1 of 2) item part description 1 – ela hou ope assembly (not spared) (rep 2.1) 2 – window lcd (not spared) 3 091n80194 sheet overlay center (a) (c20, m20) – 091n80193 sheet overlay center (a) (m20i) – 091n80201 sheet overl...

  • Page 117

    March 2004 5-5 work centre m20 family pl 2.11 parts list pl 2.11 ope assembly (2 of 2) item part description 1 002n02282 cover m ope 2 018n00193 indicator (rep 2.1) 3 029n00355 rubber scroll (a) (rep 2.1) 4 029n00345 key m copy (rep 2.1) 5 029n00356 rubber numerical (rep 2.1) 6 029n00346 key m e-mai...

  • Page 118

    March 2004 5-6 work centre m20 family pl 4.10 parts list pl 4.10 base frame assembly item part description 1 – ela hou - base frame (not spared) 2 – screw - taptite (ref: pl 31.10 item 6) 3 – screw - taptite (ref: pl 31.10 item 6) 4 009n01467 spring etc - torsion 5 017n00212 foot 6 – holder catch cs...

  • Page 119

    March 2004 5-7 work centre m20 family pl 4.15 parts list pl 4.15 main frame assembly item part description 1 002n02279 ela hou - frame main assembly (rep 4.4) 2 – pmo - housing terminal mc2 (p/o pl 4.15 item 1) 3 – ipr - terminal blade (p/o pl 4.15 item 1) 4 – ipr - terminal supply (p/o pl 4.15 item...

  • Page 120

    March 2004 5-8 work centre m20 family pl 4.20 parts list pl 4.20 drives assembly item part description 1 002n02289 ela hou - drive assembly (rep 4.1) 2 127n07298 motor step - mck2 (main) 3 152n11554 cbf harness - fuser motor 4 127n07299 motor dc - mck2 (bldc) 5 152n11555 cbf harness - feed motor 6 –...

  • Page 121

    March 2004 5-9 work centre m20 family pl 4.25 parts list pl 4.25 covers item part description 1 002n02107 mea unit - cover pa exit assembly 2 050n00392 pmo - tray extension mp ne 3 – pmo - cover paper exit (p/o pl 4.25 item 1) (rep 10.3) 4 – pmo - connect paper mfp (c20, m20) (not spared) – – pmo - ...

  • Page 122

    March 2004 5-10 work centre m20 family pl 5.10 parts list pl 5.10 dadf assembly (1 of 5) item part description 1 002n02275 ela hou - dadf 2 002n02288 mea unit - cover open (rep 5.1) 3 – cover - m open (p/o pl 5.10 item 2) 4 – pmo stopper exit (p/o pl 5.10 item 2) 5 – gear - dadf 24 (a) (p/o pl 5.10 ...

  • Page 123

    March 2004 5-11 work centre m20 family pl 5.11 parts list pl 5.11 dadf assembly (2 of 5) item part description 1 – guide - m scan (p/o pl 5.10 item 31) 2 – ground - p scan roller (p/o pl 5.10 item 31) 3 – ground - p exit roller (p/o pl 5.10 item 31) 4 – pba sub - sensor if (p/o pl 5.10 item 31) 5 – ...

  • Page 124

    March 2004 5-12 work centre m20 family pl 5.12 parts list pl 5.12 dadf assembly (3 of 5) item part description 1 – mea unit - cover exit assembly (p/ o pl 5.10 item 31) 2 – cover m exit (p/o pl 5.12 item 1) 3 – spring etc - white bar (p/o pl 5.12 item 1) 4 – pmo - roller idle scan (p/o pl 5.12 item ...

  • Page 125

    March 2004 5-13 work centre m20 family pl 5.13 parts list pl 5.13 dadf assembly (4 of 5) item part description 1 – mea unit support pickup assembly (p/o pl 5.10 item 31) (rep 5.1) 2 – pickup support (p/o pl 5.13 item 1) 3 – decurler (p/o pl 5.13 item 1) 4 – spring (p/o pl 5.13 item 1) 5 – mea unit g...

  • Page 126

    March 2004 5-14 work centre m20 family pl 5.14 parts list pl 5.14 dadf assembly (5 of 5) item part description 1 002n02285 ela unit - platen cover (ref: pl 5.10 item 28) 2 – pmo - cover platen (c) (p/o pl 5.14 item 1) 3 – pmo - extension platen (p/o pl 5.14 item 1) 4 – guide - m extension (p/o pl 5....

  • Page 127

    March 2004 5-15 work centre m20 family pl 6.10 parts list pl 6.10 lsu item part description 1 122n00234 unit - lsu (rep 6.1) 2 152n11549 cbf harness - lsu 3 – fan dc (cardinal) (ref: pl 4.10 item 17) note: if necessary, refer to gp 20 for the acronym list and cross reference lists of more commonly r...

  • Page 128

    March 2004 5-16 work centre m20 family pl 7.10 parts list pl 7.10 tray 1 cassette assembly item part description 1 050n00442 mec - cassette assembly (a4) – 050n00441 mec- cassette assembly (letter) 2 – plate guide paper (p/o pl 7.10 item 1) 3 – ipr - plate k/up (p/o pl 7.10 item 1) 4 – ipr finger ri...

  • Page 129

    March 2004 5-17 work centre m20 family pl 7.15 parts list pl 7.15 tray 2 cassette assembly (1 of 2) item part description 1 – ela unit - scf (mc2) (ref: pl 31.10 item 3) 2 – pmo - cover top scf (not spared) 3 – ela hou - upper scf2 (not spared) 4 – pmo - guide paper upper scf (not spared) 5 – shaft ...

  • Page 130

    March 2004 5-18 work centre m20 family pl 7.16 parts list pl 7.16 tray 2 cassette assembly (2 of 2) item part description 1 – ela hou - frame - scf (mc2) (not spared) 2 – pmo - base frame - scf (not spared) 3 140n62874 pba scf 4 152n01992 cbf harness - scf 8p 5 – cam catch (not spared) 6 006n01184 i...

  • Page 131

    March 2004 5-19 work centre m20 family pl 8.10 parts list pl 8.10 side cover assembly (1 of 2) item part description 1 – ela hou - side cover assembly (not spared) 2 022n02057 mea unit - duplex assembly (rep 8.2) 3 – ring - cs (ref: pl 31.10 item 6) 4 – gear - dup idler 17 (see note 2) 5 – gear - mp...

  • Page 132

    March 2004 5-20 work centre m20 family pl 8.11 parts list pl 8.11 side cover assembly (2 of 2) item part description 1 050n00445 mea unit - side sub assembly 2 – pmo - guide dp side (p/o pl 8.11 item 1) 3 – guide side push (p/o pl 8.11 item 1) 4 – pmo - locker open (p/o pl 8.11 item 1) 5 – pmo - loc...

  • Page 133

    March 2004 5-21 work centre m20 family pl 8.15 parts list pl 8.15 feeder assembly item part description 1 022n02056 mea unit - feed roller assembly (rep 8.5) 2 – pmo - frame feed (p/o pl 8.15 item 1) 3 – gear - feed (p/o pl 8.15 item 1) 4 – gear - mp/dup drv (p/o pl 8.15 item 1) 5 – ict - shaft feed...

  • Page 134

    March 2004 5-22 work centre m20 family pl 8.20 parts list pl 8.20 mp assembly item part description 1 600n01741 ela hou - mp assembly (rep 8.4) 2 013n00515 pmo - bushing pickup, mp 3 – ring - e (ref: pl 31.10 item 6) 4 – solenoid - mp (p/o pl 8.20 item 1) 5 009n01364 spring - cam mp 6 – spring - pic...

  • Page 135

    March 2004 5-23 work centre m20 family pl 8.25 parts list pl 8.25 pickup assembly item part description 1 002n02276 ela hou - pickup assembly (rep 8.6) 2 – ipr - gnd feed (p/o pl 8.25 item 1) 3 – ipr - gnd input (p/o pl 8.25 item 1) 4 – ipr - guide input (p/o pl 8.25 item 1) 5 130n01207 pba sub - to...

  • Page 136

    March 2004 5-24 work centre m20 family pl 9.10 parts list pl 9.10 toner, drum cartridge & fuser item part description 1 113r00671 ela unit - ope drum set 2 106r01048 ela - toner unit set (xe) – 106r01047 ela - toner unit set (nasg/xcl) 3 007n01118 pmo lock drive 4 002n02278 ela hou - fuser assembly ...

  • Page 137

    March 2004 5-25 work centre m20 family pl 10.10 parts list pl 10.10 exit assembly item part description 1 600n01736 mec - exit assembly (rep 10.2) 2 – pmo - guide - exit upper (p/o pl 10.10 item 1) 3 – pmo - guide - exit lower (p/o pl 10.10 item 1) 4 – pmo - guide - jam remove (p/o pl 10.10 item 1) ...

  • Page 138

    March 2004 5-26 work centre m20 family pl 14.10 parts list pl 14.10 ela hou scanner assembly (1 of 2) item part description 1 002n02274 ela hou - scanner assembly (c20, m20) (rep 14.1) – 002n02273 ela hou - scanner assembly (m20i) (rep 14.1) 2 002n02284 ela hou scan upper assembly (rep 14.1) 3 019n0...

  • Page 139

    March 2004 5-27 work centre m20 family pl 14.11 parts list pl 14.11 ela hou scanner assembly (2 of 2) item part description 1 – shaft ccd (umax) (not spared) (rep 14.1) 2 023n00954 belt - timing gear (rep 14.1) 3 023n00955 spring etc - belt 4 – ring - e (ref: pl 31.10 item 6) 5 140n62872 pba sub - d...

  • Page 140

    March 2004 5-28 work centre m20 family pl 31.10 parts list pl 31.10 maintenance/installation/ removal kits item part description 1 – foreign interface device kit (see note 2) 2 497n00184 network accessory kit 3 498n00364 2nd paper tray 4 098n01724 stand 5 – repackaging kit (see note 2) 6 – common ha...

  • Page 141

    March 2004 5-29 work centre m20 family part number index parts list part number index table 1 part number index part number part list 001n00384 pl 4.25 001n00451 pl 4.25 002n02009 pl 4.25 002n02017 pl 4.25 002n02107 pl 4.25 002n02161 pl 4.25 002n02166 pl 14.11 002n02273 pl 14.10 002n02274 pl 14.10 0...

  • Page 142

    March 2004 5-30 work centre m20 family part number index parts list 029n00350 pl 2.11 029n00351 pl 2.11 029n00352 pl 2.11 029n00353 pl 2.11 029n00354 pl 2.11 029n00355 pl 2.11 029n00356 pl 2.11 030n00606 pl 4.10 038n00371 pl 4.25 050n00392 pl 4.25 050n00441 pl 7.10 050n00442 pl 7.10 050n00443 pl 5.1...

  • Page 143

    March 2004 5-31 work centre m20 family part number index parts list 140n62879 pl 1.10 144n00128 pl 1.10 144n00129 pl 1.10 152n01991 pl 4.10 152n01992 pl 7.16 152n11548 pl 1.10 152n11549 pl 6.10 152n11550 pl 1.10 152n11551 pl 1.10 152n11552 pl 14.11 152n11553 pl 14.11 152n11554 pl 4.20 152n11555 pl 4...

  • Page 144

    March 2004 5-32 work centre m20 family part number index parts list.

  • Page 145

    March 2004 6-1 work centre m20 family general procedures and information 6 general procedures and information gp 1 engine test mode entry ........................................................................................ 6-3 gp 2 user mode entry ...................................................

  • Page 146

    March 2004 6-2 work centre m20 family general procedures and information.

  • Page 147

    March 2004 6-3 work centre m20 family gp 1 general procedures and information gp 1 engine test mode entry purpose to test various functions or components of the machine. The test is performed, then the result is displayed on the lcd. Note: if necessary, refer to gp 20 for the acronym list and cross ...

  • Page 148

    March 2004 6-4 work centre m20 family gp 1 general procedures and information 2 sensor test check monitors the status of the paper path sensors and interlock. ‘1’: active, ‘0’: inactive refer to table 2 sensor description for details. Next go to the top level of engine test mode. 3 scf motor test on...

  • Page 149

    March 2004 6-5 work centre m20 family gp 1 general procedures and information thv supply 1301v (not to be used dur- ing service, manufacturing use only) on switches on 1301v to the thv switches off the voltage to the thv thv adc read check reads and displays the thv adc value. If the adc value is be...

  • Page 150

    March 2004 6-6 work centre m20 family gp 1 general procedures and information figure 1 lcd test sequence.

  • Page 151

    March 2004 6-7 work centre m20 family gp 2 general procedures and information gp 2 user mode entry purpose to adjust the user settings. Table 1 and table 2 show the functions that can be set by the user. Procedure 1. Press machine status. 2. Use the up and down keys to scroll through the functions. ...

  • Page 152

    March 2004 6-8 work centre m20 family gp 2 general procedures and information fax/email forward fax / email reports fax phonebook / fax tx / fax rx / system data / scheduled jobs / fax tx confirm / email tx report / junk fax list / billing/ counters / connect page / user auth list / print all report...

  • Page 153

    March 2004 6-9 work centre m20 family gp 3 general procedures and information gp 3 service mode entry purpose to perform various tests to isolate the cause of a fault. Procedure 1. Press menu/exit, #, 1, 9, 3, 4 in sequence. The lcd will display ‘t’ or ‘tech’. The machine has now entered service (te...

  • Page 154

    March 2004 6-10 work centre m20 family gp 3 general procedures and information network setup reset nic / configure network / netware / use factory defaults email setup smtp server setup / auth user setup / auto send to self / guest user access / default from / default subject / ldap server setup cha...

  • Page 155

    March 2004 6-11 work centre m20 family gp 4, gp 5 general procedures and information gp 4 fax setup purpose to give details of the fax setup that can be selected in service mode, gp 3: • dialing mode dialing mode select the dialing mode according to the users line status: • tone: electronic dialing ...

  • Page 156

    March 2004 6-12 work centre m20 family gp 6 general procedures and information gp 6 maintenance purpose to give details of the maintenance tests or procedures that can be performed in service mode, gp 3: • serial number • clean drum • new drum • notify toner low • billing counters • send level • dia...

  • Page 157

    March 2004 6-13 work centre m20 family gp 6 general procedures and information • engine ver:1.00v pattern test this procedure is used during manufacturing only. Not to be used during service. Shading test use this procedure to test the ccd. If the image quality is unsatisfactory, perform this proce-...

  • Page 158

    March 2004 6-14 work centre m20 family gp 7 general procedures and information gp 7 reports purpose to give details of the information available in the reports function in service mode, gp 3: • protocol list • fax phonebook • fax tx • fax rx • schedule jobs • system data • fax tx confirm • junk fax ...

  • Page 159

    March 2004 6-15 work centre m20 family gp 7, gp 8 general procedures and information junk fax list this list shows specific information about the fax numbers from which the machine will receive faxes. Email tx report this report shows specific information concerning scan to email activities, the tim...

  • Page 160

    March 2004 6-16 work centre m20 family gp 9, gp 10 general procedures and information gp 9 identify sale date (m20i only) purpose this function confirms the date that the consumer bought the product and the date that the product was first used. The machine recognizes the first scan page count, print...

  • Page 161

    March 2004 6-17 work centre m20 family gp 11 general procedures and information gp 11 machine specifications specifications are correct at the time of publication. Machine specifications are subject to change without notice. Refer to the following tables for machine specifications: • table 1 general...

  • Page 162

    March 2004 6-18 work centre m20 family gp 11 general procedures and information note: (1) speed claims based on the test chart: letter size. Sdmp: single document multiple printout mdsp: multiple document single printout the environment acronyms are as follows: • ll - low temperature/low humidity. •...

  • Page 163

    March 2004 6-19 work centre m20 family gp 11 general procedures and information charge voltage (mhv) -1300v to -1450v dc +/- 5% supply voltage -400v to -650v dc +/- 5% blade voltage -300v to -550v dc +/- 5% opc drum -135v +/- 15% table 9 hvps output hvps output voltage.

  • Page 164

    March 2004 6-20 work centre m20 family gp 12 general procedures and information gp 12 circuit description purpose to give information about the machines main circuitry. Pba main note: if necessary, refer to gp 20 for the acronym list and cross reference lists of more com- monly recognised part names...

  • Page 165

    March 2004 6-21 work centre m20 family gp 12 general procedures and information figure 1 main circuit.

  • Page 166

    March 2004 6-22 work centre m20 family gp 13 general procedures and information gp 13 circuit operation purpose to give information about the operation of the machines circuitry: • power on/off reset • program rom (flash memory) control • ac characteristics • usb (universal serial bus) • sram: 1mbyt...

  • Page 167

    March 2004 6-23 work centre m20 family gp 13 general procedures and information figure 2 program operation timings note: 1. Pa= program address, pd= program data, dout is the true data at the program address. Note: 2. Figure 2 shows device in word mode. Figure 3 byte# timings for write operations no...

  • Page 168

    March 2004 6-24 work centre m20 family gp 14 general procedures and information gp 14 scanner operation purpose to give information about the operation of the scanner: • summary • ccd • key features note: if necessary, refer to gp 20 for the acronym list and cross reference lists of more com- monly ...

  • Page 169

    March 2004 6-25 work centre m20 family gp 14 general procedures and information • abc (automatic background control): tmin automatic change. 3. Mixed mode processing for text/photo mixed document. 4. Edf data memory: 2x4kx16bits = 128kbits (internal). 5. Lat data memory: 4x4kx16bits = 256kbits (exte...

  • Page 170

    March 2004 6-26 work centre m20 family gp 14, gp 15 general procedures and information figure 3 block diagram of cip4 gp 15 host interface purpose to give information about the machines interfaces: • host interface • usb interface (option: direct kit/network kit) referred to ieee 1284 standard. Note...

  • Page 171

    March 2004 6-27 work centre m20 family gp 15, gp 16 general procedures and information figure 1 usb interface features • usb specification version 2.0 compliant (high and full speed). • interfaces between a local cpu bus and a usb bus. • supports usb full speed (12 mbps) and high speed (480 mbps). •...

  • Page 172

    March 2004 6-28 work centre m20 family gp 16 general procedures and information paper feeding when the paper is fed into the set and passes through the actuator of the feed sensor unit, transistor inside the photo interrupter will turn on, ‘nfeed’ signal will turn low and inform cpu that the paper i...

  • Page 173

    March 2004 6-29 work centre m20 family gp 16 general procedures and information while the supply roller energized with -450v by hvps and the developer roller energized with -300v rotate in the same direction, it keeps the toner particles between two rollers sup- plied to opc drum in negative state b...

  • Page 174

    March 2004 6-30 work centre m20 family gp 16 general procedures and information figure 5 bias output unit block diagram mhv (electrification output enable) electrification output enable is the electrification output control signal 'pwm-low active'.When mhv-pwm low signal is received, q401 turns on a...

  • Page 175

    March 2004 6-31 work centre m20 family gp 16 general procedures and information when thv-ea is 'l', q302 turns on and the vce electric potential of q302 will be formed and sends ib to trans auxiliary wire through r311, c305 and vr302 via current-restricting resis- tance r314, and eventually q303 wil...

  • Page 176

    March 2004 6-32 work centre m20 family gp 17 general procedures and information gp 17 pba ope operation purpose to give information about the operation of the pba ope. Note: if necessary, refer to gp 20 for the acronym list and cross reference lists of more com- monly recognised part names. Summary ...

  • Page 177

    March 2004 6-33 work centre m20 family gp 18 general procedures and information gp 18 pba liu purpose to give information about the operation of the pba liu: • summary • dc matching part • ac matching part • dialer part • ring detection part note: if necessary, refer to gp 20 for the acronym list an...

  • Page 178

    March 2004 6-34 work centre m20 family gp 19 general procedures and information gp 19 smps unit operation purpose to give information about the operation of the smps (switching mode power supply): • summary • dc matching part • ac matching part • dialer part note: if necessary, refer to gp 20 for th...

  • Page 179

    March 2004 6-35 work centre m20 family gp 19, gp 20 general procedures and information the following explains how the fixed lamp control circuit works. Logic unit "fuser on" sends trig- ger current to triac driver pc3 led, then the infrared ray is detected by pc3 photo detector. Next, yc3 triac is c...

  • Page 180

    March 2004 6-36 work centre m20 family gp 20 general procedures and information ipr - ground plate a (opc) opc - organic photo conductive pl 4.10 item 8 ela m/m - aud speaker ela m/m - electrical assembly m/m aud - audio pl 4.10 item 14 cbf harness - opc gnd opc gng - organic photo conduc- tive grou...

  • Page 181

    March 2004 6-37 work centre m20 family gp 20 general procedures and information smps and pba main refer to table 2. Ope assembly refer to table 3. Frames, drives and covers refer to table 4. Ela hou - scanner assembly ela - electrical assembly hou - housing pl 14.10 item 1 a/s material - dummy upper...

  • Page 182

    March 2004 6-38 work centre m20 family gp 20 general procedures and information dadf refer to table 5. Lsu refer to table 6. Cassette assembly refer to table 7. Scf refer to table 8. Side cover assembly refer to table 9. Feeder assembly refer to table 10. Mp assembly refer to table 11. Table 5 dadf ...

  • Page 183

    March 2004 6-39 work centre m20 family gp 20 general procedures and information pickup assembly refer to table 12. Toner, drum cartridge and fuser refer to table 13. Exit assembly refer to table 14. Scanner assembly refer to table 15. Solenoid - mp bypass tray feed solenoid pl 8.20 item 4 pmo - actu...

  • Page 184

    March 2004 6-40 work centre m20 family gp 21, gp 22 general procedures and information gp 21 dadf document feeding specifications purpose to list the specifications of the documents that can be fed through the dadf. Specifications refer to table 1. Gp 22 paper and media specifications purpose to lis...

  • Page 185

    March 2004 6-41 work centre m20 family gp 23 general procedures and information gp 23 service log service log use this service log to record all service procedures. Figure 1. • for hardcopy make a copy of this page. • for edoc a pdf version is available on the cd-rom. In file manager or explorer, se...

  • Page 186

    March 2004 6-42 work centre m20 family gp 23 general procedures and information.

  • Page 187

    March 2004 7-1 work centre m20 family wiring data 7 wiring data wiring diagrams.............................................................................................................. 7-3.

  • Page 188

    March 2004 7-2 work centre m20 family wiring data.

  • Page 189

    March 2004 7-3 work centre m20 family wiring diagrams wiring data wiring diagrams purpose wiring diagrams are an aid to trace wiring faults. Wiring diagrams are used to complement the fault analysis information contained in the relevant rap. Note: if necessary, refer to gp 20 for the acronym list an...

  • Page 190

    March 2004 7-4 work centre m20 family wiring diagrams wiring data wiring diagram 1 figure 1 wiring diagram 1.

  • Page 191

    March 2004 7-5 work centre m20 family wiring diagrams wiring data wiring diagram 2 figure 2 wiring diagram 2.

  • Page 192

    March 2004 7-6 work centre m20 family wiring diagrams wiring data wiring diagram 3 figure 3 wiring diagram 3.

  • Page 193

    March 2004 7-7 work centre m20 family wiring diagrams wiring data wiring diagram 4 figure 4 wiring diagram 4.

  • Page 194

    March 2004 7-8 work centre m20 family wiring diagrams wiring data wiring diagram 5 figure 5 wiring diagram 5.

  • Page 195

    March 2004 7-9 work centre m20 family wiring diagrams wiring data wiring diagram 6 figure 6 wiring diagram 6.

  • Page 196

    March 2004 7-10 work centre m20 family wiring diagrams wiring data.

  • Page 197

    March 2004 8-1 work centre m20 family accessories 8 accessories acc 1 pba foreign device checkout ............................................................................ 8-3.

  • Page 198

    March 2004 8-2 work centre m20 family accessories.

  • Page 199

    March 2004 8-3 work centre m20 family acc 1 accessories acc 1 pba foreign device checkout procedure go to the of3 use auxiliary access rap..

  • Page 200

    March 2004 8-4 work centre m20 family acc 1 accessories.

  • Page 201

    Xerox europe publica t ion comment sheet pl eas e c opy thi s m a st er s h e e t an d us e it to h e lp us to imp ro v e th is pub lica tio n . W e wo uld li k e y ou to te ll us a bou t im pr ov eme n ts to i ts ac cur a cy , for m at an d q ual ity . Pl eas e g iv e s p e c ific r e fe re nc es ,...

  • Page 202

    Xerox europe.