Ricoh Aficio 2035e - Page 189

SERVICE CALL CONDITIONS
SM 4-3 B135/B138
Trouble
shooting
Code No. Symptom Possible Cause
Charge roller current correction error 304 C
The charge roller bias correction is
performed twice even if the maximum
charge roller bias (-2000V) is applied to
the roller.
• ID sensor defective
F-Gate error: No laser writing signal 321 C
The laser writing signal (F-GATE) does
not go to LOW for more than 30
seconds after the copy paper reaches
the registration sensor.
• BICU board defective
• PCI harness between the controller
board and the BICU defective or
disconnected
1st laser synchronization error 322 C
The 1st laser synchronization signal
cannot be detected by the main scan
synchronization detector board even if
the laser diodes are activated.
• Poor I/F harness connection between
the laser synchronization detector
board and the LD unit.
• Laser synchronization detector board
out of position and angle of reflection
not correct
• Laser synchronization detector board
defective
• LD unit defective
LD drive current over 323 C
The LD drive board applies more than
100 mA to the LD.
• LD unit defective (not enough power,
due to aging)
• Poor connection between the LD unit
and the BICU board
• BICU defective
2nd laser synchronization error 326 C
The 2nd laser synchronization signal
cannot be detected by the main scan
synchronization detector board even if
the laser diodes are activated.
• Poor connection between the laser
synchronization detector board and
the LD unit.
• Laser synchronization detector board
out of position
• Laser synchronization detector board
defective
• LD unit defective
LD unit home position error 1 327 B
The LD unit home position sensor does
not detect an on condition when the LD
unit moves to its home position.
• HP sensor/harness defective
• LD unit home position sensor
defective
• LD positioning motor harness
defective
• LD unit movement blocked because
of incorrect connector routing
LD unit home position error 2 328 B
The LD unit home position sensor does
not detect an off condition when the LD
unit moves from its home position.
• HP sensor/harness defective
• LD positioning/harness motor
defective
• LD unit movement blocked because
of incorrect connector routing