Oki OKICOLOR 8 Maintenance Manual page 144

A
No Make the terminals be in contact with the contact assembly correctly.
• Yes Replace the the image drum unit.
Notes: 1. When replacing the engine board (PX4 PCB), demount the EEPROM chip from the old
engine board and remount it on the new one.
2. After replacing the image drum unit and the belt cassette assembly, be sure to reset their
counters in the User Maintenance mode.
3. After replacing the LED head assembly, be sure to adjust its drive time and correct its color
deviation.
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