Olivetti d-Copia 6500MF Plus Service Manual page 536

Defective part
High-voltage PWB
6
Transfer belt unit
7
LSU
8
Engine PWB
9
Service Manual
Check description
Check the value of the U100.
Check the value of the U140.
1. Check whether the
connecting terminals.
2. Check the value of the U106.
(see page 1-3-71)
1. Check if the contact between
the transfer belt and drum is
correct.
1. The laser diode on the LSU
APC PWB is out of control.
2. Check whether the internal
mirrors are contaminated.
The engine PWB is defective.
1. If the value obtained by U100 or U140 does
not conform to the default value, reset it to
the default. (see page 1-3-69,1-3-82)
2. Replace the high-voltage PWB.
1. If the connecting terminals are deformed,
correct for a proper conduction.
2. If the value obtained after U106 does not
conform to the default value, reset it to the
default.
3. Replace transfer belt unit.
Re-mount the transfer belt unit.
Replace the LSU. (Perform U119)
(see page 1-3-76)
Replace the enging PWB. (see page 1-5-83)
1-4-208
Corrective Action
2N8/2N7
Y116520-3