Miscellaneous Problems - Ricoh G176 Service Manual

General Troubleshooting

4.3.5 MISCELLANEOUS PROBLEMS

Here is a summary of some problems, what causes them, and how they can be solved.
Problem
Black spots at approximately 94
mm intervals.
Spurious noise during printing
Vertical positioning of printed
image is not consistent (sub scan
direction)
Multiple vertical stripes appear in
areas of black coverage
Entire page appears gray, text
appears light and enlarged
Frequent paper jams, or message
prompts to load correct paper size
and type.
HDD unit not recognized
G176/G177/G176L
Probable Cause/Solution
AIO is defective, transfer roller is dirty.
Replace AIO
Clean the transfer roller
Relay clutch defective.
Replace relay clutch
Registration clutch defective
Replace registration clutch
NIC defective
Replace NIC
Synchronization defective.
Replace main (engine) board
Registration sensor defective, registration sensor
actuator defective. (High usage can foul the actuator
with paper dust.)
Replace registration sensor
Replace registration sensor actuator
The HDD unit of another machine cannot be used.
Replace the HDD unit with the new HDD.
4-30 SM