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CAB MACH4 Service Manual

Other manuals for MACH4: Operator's Manual, Operator's Manual
Manual is about: Barcode/Label printer

Summary of MACH4

  • Page 1

    Barcode / label printer service manual mach4 the business class. From serial no. 10000

  • Page 2

    Part no. Description type 5541082 transfer printer mach4/200b 5541083 transfer printer mach4/300b 5541086 transfer printer mach4/600b 5541092 transfer printer mach4/200p 5541093 transfer printer mach4/300p 5541096 transfer printer mach4/600p 5541102 transfer printer mach4/200c 5541103 transfer print...

  • Page 3

    1 important information ............................................................................................................................ 4 1.1 general safety instructions ........................................................................................................................

  • Page 4

    4 4 1.1 general safety instructions this service manual is intended for use by qualified service and maintenance personnel. For more operation and configuration information, refer to the user or configuration manual. Follow the general safety rules below: keep the area around the device clean at all...

  • Page 5

    4 5 1 important information 1. Handling electricity the following work may only be done by trained and qualified electricians: work on electrical components. Work on an open device still connected to the mains supply. General precautions before starting maintenance work: find out where the emergency...

  • Page 6

    6 6 replacing assembly units .1 device overview a 1 2 3 4 5 6 7 8 9 10 11 13 14 15 16 12 view a fig. 1 overview 1 rs-232 serial interface 2 usb 2.0 high speed slave interface 3 two usb master interfaces for keyboard and scanner 4 ethernet 10/10 base t interface 5 compactflash card slot 6 power suppl...

  • Page 7

    6 replacing assembly units . Tools do not use any worn of damaged tools. Only use tools and testing devices that are suitable for the task at hand. Cab special tools: tape holder test collar (cab item number: 5540932) cylindrical dynamometer (spring scale), 0 - 10 n (cab item number: 5906108) standa...

  • Page 8

    Replacing assembly units . Replacing the control panel 3 4 2 5 3 1 2 fig. 2 replacing the control panel 1 control panel 2 lug 3 bearing 4 plug connector 5 axle i notice! When replacing control panel b or p by a control panel c in order to convert the printer to the cutter version the peel-off edge m...

  • Page 9

    9 replacing assembly units .4 replacing the cover 7 5 4 6 3 2 1 4 fig. 3 replacing the cover 1 toothed lug 2 damping wheel 3 hinged aperture cover 4 axle 5 cover 6 locking ring 7 guide for outer casing open the cover (5), remove the media hub and label stock. Disconnect the damping mechanism by pres...

  • Page 10

    10 10 replacing assembly units .5 replacing the outer casing danger! Danger to life and limb from electric shock! Disconnect the device from the mains supply before opening the outer casing. 4 1 3 2 fig. 4 replacing the outer casing 1 two screws 2 outer casing 3 two screws 4 cover the outer casing c...

  • Page 11

    10 11 replacing assembly units .6 replacing the print mechanism danger! Danger to life and limb from electric shock! Disconnect the device from the mains supply before opening the outer casing. 3 8 9 2 1 4 6 7 5 fig. 5 replacing the print mechanism 1 print mechanism 2 cables 3 grounding cable 4 cpu ...

  • Page 12

    1 1 replacing assembly units . Replacing the printhead danger! Danger to life and limb from electric shock! Disconnect the device from the mains supply before opening the outer casing. 4 5 7 6 1 3 2 fig. 6 replacing the printhead 1 two holes 2 two pins 3 screw 4 printhead 5 printhead cable 6 printhe...

  • Page 13

    1 1 replacing assembly units . Replacing the print roller danger! Danger to life and limb from electric shock! Disconnect the device from the mains supply before opening the outer casing. 20 10 0 10 30 40 50 50 1 2 4 5 6 3 fig. 7 replacing the print roller 1 apertures 2 holding lugs 3 print roller u...

  • Page 14

    14 14 replacing assembly units .9 replacing the brake of the ribbon supply hub fig. 8 replacing the coupling brake of the ribbon supply hub 1 ribbon supply hub 2 cover 3 three screws 4 brake 5 coupling mounting tool 6 holder 7 lock washer hinge up the printhead assembly, unscrew the three screws (3)...

  • Page 15

    14 15 replacing assembly units .10 replacing the drive of the cutting unit fig. 9 replacing the drive of the cutting unit 1 control panel 2 two plastic latches 3 cutting unit 4 clock wheel 5 shaft 6 two eccentrics 7 two screws 8 two connectors 9 two nuts 10 base plate 11 drive turn the control panel...

  • Page 16

    16 16 replacing assembly units .11 replacing the blades of the cutting unit fig. 10 replacing the blades of the cutting unit 1 control panel 2 two plastic latches 3 cutting unit 4 base plate 5 screw 6 three screws 7 clamp 8 lower blade 9 paper guide 10 upper blade 11 three screws turn the control pa...

  • Page 17

    16 1 replacing assembly units .1 replacing the cpu pcb danger! Danger to life and limb from electric shock! Disconnect the device from the mains supply before opening the outer casing. 10 7 2 3 4 5 6 1 9 8 fig. 11 replacing the cpu pcb 1 control panel cable 2 sensors cable 3 cable for printhead powe...

  • Page 18

    1 1 replacing assembly units .1 replacing the power unit danger! Danger to life and limb from electric shock! Disconnect the device from the mains supply before opening the outer casing, and wait at least one minute to allow the power unit to discharge. 8 3 4 5 7 5 9 6 1 2 fig. 12 replacing the powe...

  • Page 19

    1 19 adjustments .1 measuring the winding torques the winding torques on the ribbon rewind hub and ribbon supply hub are measured by determining the tensile force on the test collar mounted on the hub. The physical relation between torque and traction is as follows: f= m / r f: traction [n], m: wind...

  • Page 20

    0 0 adjustments measuring the torque of the coupling and brake on the rewind hub: wind the cord several times round the test collar ( fig. 13 a on page 19) and mount it on the rewind hub (1). The spring lugs of the hub must slot into the smaller slot in the test collar. Attach a spring scale [10 n] ...

  • Page 21

    0 1 adjustments . Adjusting the print mechanism major adjustment of the print mechanism beyond format-based settings is only required if the printhead assembly has been removed or parts in this area have been replaced. Excluded from this is the replacement of the printhead, after which readjustment ...

  • Page 22

    Adjustments screw for adjusting the printhead bend (4) turning the screw clockwise will slightly bend the middle of the printhead downwards which will increase the printhead pressure in the center. In case the normal methods to prevent ribbon wrinkling are not successful, the printhead can be bent a...

  • Page 23

    4 block diagram fig. 16 block diagram 1 fig. 17 block diagram 2.

  • Page 24

    4 4 b blades of the cutting unit replacing .....................................16 brake of the ribbon rewind hub winding torque ............................19 brake of the ribbon supply hub ......... 14 replacing .....................................14 c compactflash card slot ........................