3.3.9Carriage Cable

3.3.10Backup Roller Holder Assy

3.3.11Platen Assy

3.3.12Driver Board (SDDV)

3.3.13LF Motor

3.3.14Operation Panel PCB (LEOP)

3.3.15Control/Power Supply Board (SDCT)

3.3.16Transformer Assy

3.3.17Change Lever and Gears

3.3.18Carriage Shaft

3.3.19Paper Pan

3.3.20Rear Tractor Assy

3.3.21Rear Pressure Assy

3.3.22Switch Lever

4.ADJUSTMENT

5.CLEANING AND LUBRICATION

5.1Cleaning

5.2Lubrication

6.TROUBLESHOOTING AND REPAIR

6.1Items to Check Before Repair

6.2Troubleshooting Table

6.3Lamp Display

6.4Connection Circuit Check for Printhead and SP/LF Motor

6.5Troubleshooting Flow Chart

APPENDIX

A.PCB LAYOUT

B.SPARE PARTS LIST

C.RS-232C Serial Interface Board (OPTION)

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Oki 3321, 3320 Adjustment Cleaning and Lubrication, Troubleshooting and Repair, Appendix PCB Layout Spare Parts List