2NC/2NF/2NG/2NN/3P7/3P8/3P9
1-4-71
6
Transfer roller unit
Check whether the connecting
terminals.
1. If the connecting terminals are deformed,
correct for a proper conduction.
2. Replace transfer roller unit.
1. Check if the contact between
the transfer roller and durm
is correct.
Re-mount the transfer roller.
7
LSU 1. The laser diode on the LSU
APC PWB is out of control.
2. Check whether the internal
mirrors are contaminated.
Replace the LSU. (see page 1-5-27)
8
Main/Engine PWB The main/engine PWB is detec-
tive.
Replace the main/engine PWB.(see page 2-2-
11)
Defective part Check description Corrective Action
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