Oki C9200 Service Manual page 126

9 Color Misalignment
• Are any of the following gears broken? (Gear assy of ID unit, Multipurpose Tray, belt unit and belt motor)
Yes Replace the broken gear assembly.
• No Is each LED head unit connected to the junction board (Y71 PWB) correctly?
No Connect the LED head unit correctly with the junction board.
• Yes Check the cable connection, or replace the LED head assembly. Recovered?
Yes End
• No Check the cable connection, or replace the junction board (Y71 PWB). Recovered?
Yes End
• No Is engine board (K73 PWB) connected to the junction board (Y71 PWB) correctly?
No Connect the boards correctly.
• Yes Check the cable connection, or replace the EEPROM of the engine board. Recovered?
Yes End
• No Replace the engine board. Recovered?
Yes End
• No Is each ID terminal connected to the contact assembly correctly? (See Figure 6.3.)
No Connect the ID terminals with the contact assembly correctly.
• Yes Replace the ID unit.
Notes: 1. When replacing the engine board (K73 PWB), demount the EEPROM chip from the old
engine board and remount it on the new one.
2. In case the EEPROM chip is not replaced, see Item (2) in Sec. 6.5.2.
41388601TH Rev.2
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