Interval Width (approx.) Check:
94 mm OPC Drum (diameter 30 mm)
50 mm Transfer Roller (diameter 16 mm)
105 mm Fusing Roller (diameter 33 mm)
100 mm Pressure Roller(diameter 32 mm)
Miscellaneous Problems
Here is a summary of some problems, what causes them, and how they can be solved.
Problem Probable Cause/Solution
Black spots at approximately 94 mm
intervals.
AIO is defective, transfer roller is dirty.
• Replace AIO
• Clean the transfer roller
Spurious noise during printing Relay clutch defective.
• Replace relay clutch
Vertical positioning of printed image is
not consistent (sub scan direction)
Registration clutch defective
• Replace registration clutch
Multiple vertical stripes appear in areas
of black coverage
NIC defective
• Replace NIC
Entire page appears gray, text appears
light and enlarged
Synchronization defective.
• Replace main (engine) board
Frequent paper jams, or message
prompts to load correct paper size and
type.
Registration sensor defective, registration sensor actuator
defective. (High usage can foul the actuator with paper dust.)
• Replace registration sensor
• Replace registration sensor actuator
HDD unit not recognized The HDD unit of another machine cannot be used.
• Replace the HDD unit with the new HDD.
General Troubleshooting
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