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NCR RealScan 7872 Installation & Owners Manual

Summary of RealScan 7872

  • Page 1

    Realscan 7872 installation/owner guide 497-0415291 release f august 30, 2004 information products rsd-atlanta.

  • Page 2

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 2 of 44 the product described in this book is a licensed product of ncr corporation. Ncr is a registered trademark of ncr corporation. It is the policy of ncr corporation (ncr) to improve products as new technology, components, s...

  • Page 3: Preface

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 3 of 44 preface audience this book is written for hardware installer/service personnel, system integrators, and field engineers. References • ncr realscan 7872 user guide (b005-0000-1179) • ncr realscan 7872 repair guide (b005-00...

  • Page 4: Table of Contents

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 4 of 44 table of contents preface........................................................................................................................................... 3 audience.................................................

  • Page 5: Revision Record

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 5 of 44 revision record issue date remarks a june 2000 first issue b aug 2000 update to diagrams and worksheets c 05/08/01 updated checkstand cutout dimensions d 02/06/03 added usb connection and other miscellaneous information. ...

  • Page 6: Installing The Realscan 7872

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 6 of 44 installing the realscan 7872 installing the realscan 7872 consists of five main steps. Depending on the installation, other information is sometimes needed. It is recommended that you follow the installation steps in the ...

  • Page 7

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 7 of 44 step 1 verify checkstand preparation checkstand cutout: realscan 7872 ñ 12xx/22xx 17951 h i f g h c d b d i i shelf is recommended to catch realscan 7872 if dropped during installation. It may also include a drip pan for ...

  • Page 8

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 8 of 44 checkstand cutout: realscan 7872 ñ 53xx/52xx 18151 c b f e a d g 2.5 cm (1.0 in.) side supports are optional instead of shelf scanner unit actual dimensions model a b c d 53xx 29.21 cm 11 1/2 in. 39.88 cm 15 11/16 in. 16....

  • Page 9

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 9 of 44 checkstand cutout: realscan 7872 ñ 03xx/05xx 17952 note: the realscan 7872-03xx/05xx is supported by side supports or a shelf. Do not support it by the rear extender. Standard size b c realscan 7870-3000 & psc 381 size e ...

  • Page 10

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 10 of 44 drip pan installation when the realscan 7872 is used in a sit down environment, install a drip pan below the scanner/scale to divert any spilled liquids or debris away from the operator. Service clearance a = 8.0 in. (20...

  • Page 11

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 11 of 44 item diverter an installed item diverter must extend º inch beyond the scan window to allow items to clear the tower assembly and move easily in front of the scan windows. The tower is 13.3 cm wide, however the item dive...

  • Page 12

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 12 of 44 electrical wiring to the checkstand feeder wiring and insulated ground from main service panel to distribution panel to be run in metal conduit. The electrical wiring must meet all electrical codes, laws, and regulations...

  • Page 13

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 13 of 44 hole requirements for cables when you run the various cables through the checkstand, you might have to drill holes in some of the panels. The holes must be large enough for the connector on one end of the cable to pass t...

  • Page 14: Step 2  Connect The Cables

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 14 of 44 step 2 connect the cables 1. Verify that the realscan 7872 power receptacle switch is off. Plug the power cord into the realscan 7872 power receptacle. Pass the power cable from the power supply through the checkstand op...

  • Page 15

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 15 of 44 dual cable installations when the realscan 7872 is installed in a dual-cable system, a communication adapter box must be used. Use the following procedure to install this box. Cut the included velcro tape into two strips...

  • Page 16

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 16 of 44 rs-232 peripheral cables the cable on some rs-232 hand-held peripheral devices is not long enough to connect to the realscan 7872 (under the checkstand) and still permit easy use of the device. In these cases, ncr recomm...

  • Page 17

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 17 of 44 step 3 install realscan 7872 in checkstand 1. Verify the top of the realscan 7872 supports are set to the initial distance from the top of the checkstand. 2. Grasp the front and back of the unit, as shown below, and slow...

  • Page 18

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 18 of 44 17545 note: it is critical that the realscan 7872 does not rock on its supports to ensure scale accuracy. Make sure that all supports are securely fastened and that the realscan 7872 is sitting on all supports. Communica...

  • Page 19: Step 4  Calibrate The Scale

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 19 of 44 step 4 calibrate the scale note: the bizerba computing scale, used in a realscan 7872-53xx, is calibrated at the factory and cannot be calibrated in the field. However, you can reset the scale by turning off the power, t...

  • Page 20

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 20 of 44 access the calibration switch the calibration switch is located below the top plate. 1. Remove the top plate to gain access to the calibration switch cover. 2. Remove the screw that secures the calibration switch cover. ...

  • Page 21

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 21 of 44 verify the calibration the scale accuracy test meets government requirements of testing the accuracy of the scale after performing a scale calibration. It contains a series of four tests that must be run in the continuou...

  • Page 22

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 22 of 44 over-capacity test this test checks for the proper indication from the scale when too much weight is placed on the top plate. Note: this test must immediately follow the increasing load test; do not remove any of the wei...

  • Page 23

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 23 of 44 shift test this test involves moving a weight off the center point of the top plate to check for continued accuracy. 1. Place 5.00 kg (15.00 lb.) of weight in position 1 on the top plate. 2. Move the weight to position 2...

  • Page 24

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 24 of 44 step 5 check the scanner operation when power is applied to the realscan 7872, it automatically performs a power on wellness check on various components. Scanner units after passing the power on wellness check, the statu...

  • Page 25

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 25 of 44 setting the program parameters caution: some host terminals can corrupt the realscan 7872 program if they are running and are connected to the realscan 7872 while you are making program changes. Either turn off the host ...

  • Page 26

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 26 of 44 scan sample tags now you should scan some sample tags to verify that the realscan 7872 is communicating with the host terminal. The following are four good tags that you can use; however, the 7872 must be programmed to r...

  • Page 27: Operating The Scanner

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 27 of 44 operating the scanner the realscan 7872 is a fixed position device that is installed in a checkout counter. It is not handled or moved by the operator during operation. The realscan 7872 is maintained and serviced by tra...

  • Page 28: Operating The Scale

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 28 of 44 operating the scale the realscan 7872 typically takes up to one second to weigh an item, depending on the itemís weight. The heavier the item, the longer it takes. Before weighing an item, it is a government regulatory r...

  • Page 29: Cleaning The Realscan 7872

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 29 of 44 cleaning the realscan 7872 keeping the scan windows clean helps keep the read rate exceptionally high. During normal operation the scan windows get dirty, and if you permit the dirt to accumulate, performance degrades to...

  • Page 30: Correcting Scanner Problems

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 30 of 44 correcting scanner problems problem status indicator tone possible cause corrective action scanner does not operate red off green off off no power to the unit check electrical outlet for proper power. Scanner does not op...

  • Page 31: Correcting Scale Problems

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 31 of 44 correcting scale problems problem possible cause corrective action - - - - - over weight 1. Remove some of the items from the top plate. 2. Remove any obstructions to top plate movement. 1 - - - - 2 - - - - 3 - - - - out...

  • Page 32

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 32 of 44 isolating bizerba scale problems note: if you suspect a scale problem with an ncr realscan 7872-53xx with a bizerba computing scale, replace the entire scale unit, including the bizerba display. Problem possible cause co...

  • Page 33: Setting The Communication

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 33 of 44 setting the communication protocol setting the communication protocol requires both a hardware change and a software change. Hardware changes are made to strapping on the system board inside the realscan 7872. Software c...

  • Page 34: Good Read Tone

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 34 of 44 good read tone the good read tone is the sound that is produced when an item is scanned and accepted by the scanner. In installations where the checkstand and operators are close together, it is advantageous to alter the...

  • Page 35: Programming Worksheets

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 35 of 44 programming worksheets 10 communications protocol 20552 protocol ibm slot scanner 3 ibm hand-held bar code reader 4 rs-232 5 ibm 1520 bar code reader b ibm usb d ncr (rs-232) usb e 0 11 good read tone tone on/off a off 0...

  • Page 36: 12 Timers

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 36 of 44 12 timers r0136 note: ncr suggests that you do not set the active time parameter to 0. Leaving the laser light on all the time reduces its life expectancy. Lockout time (milliseconds) a 350 8 450 0 600 1 750 2 900 3 1050...

  • Page 37: 14 Bar Codes Ñ 2

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 37 of 44 14 bar codes ñ 2 code 39 disable 0 minimum characters allowed full ascii check digit present transmit check digit 2 - f default: allow one- or two-character tags a b c d e f enable 1 8 disable 0 enable 1 disable 0 enable...

  • Page 38: 15 Bar Codes - 3

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 38 of 44 15 bar codes - 3 interleaved 2 of 5 bar code length check digit present transmit check digit value 1 characters minimum default: value 2 characters maximum disable 0 a b c d enable 1 range check 0 specific check 1 charac...

  • Page 39: 18 Bar Codes Ñ 5

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 39 of 44 18 bar codes ñ 5 20596 rss enable scans required on rss 14 b a disable 0 enable rss 14 only 1 1 scan 1 2 scans 2 3 scans 3 4 scans 4 enable rss e only 2 enable rss 14 & rss e 3 scans required on rss e c 1 scan 1 2 scans ...

  • Page 40: 20 Rs-232 Parameters Ñ 1

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 40 of 44 20 rs-232 parameters ñ 1 0 300 11809 stop bits and character length note: parity must be odd or even on a scale unit. Odd is used if none is selected. Baud rate handshake parity a b c d 1 600 2 1200 3 2400 4 4800 5 9600 ...

  • Page 41: 22 Rs-232 Prefix Byte

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 41 of 44 22 rs-232 prefix byte prefix byte a ascii code disable 0 0 - 7 0 default hex character (ascii code chart) enable 1 b 0 - f hex character (ascii code chart) 2 r0035 23 rs-232 terminator byte note: a terminator byte is req...

  • Page 42: 30 Scale Parameters

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 42 of 44 30 scale parameters scanner/scale model number ibm address 3 scanner only 4 address 6a 5 address 6b 6 address 6e 7 11812 32 miscellaneous parameters 20557 ibm tone control (good read tone control) ibm rexmit control ibm ...

  • Page 43

    Ncr realscan 7872 installation/owner guide 497-0415291 release f 08/04 43 of 44.

  • Page 44

    Ncr realscan 7872 installation/owner guide 08/04 497-0415291 release f 44 of 44 copyright © 2000 ñ 2004 by ncr corporation.