Ricoh HL-F1, Field Service Manual

Page: 281 / 296

Error Code
(Hex)
Symptom Probable Cause Solution
6D
Heater temperature does not
go up enough. (The setting is
100 ºC, but the temperature
reaches only 60ºC or less.)
Halogen lamp defective Replace the fixing unit.
PS PCB unit defective Replace the PS PCB unit.
Main PCB defective Replace the main PCB.
6E
Heater temperature goes up
slowly. (It rises by 2ºC or less
for 5 sec.)
Halogen lamp defective Replace the fixing unit.
PS PCB unit defective Replace the PS PCB unit.
Main PCB defective Replace the main PCB.
6F
Hardware on the main PCB
turns off the heater forcibly
since the thermistor detects
that the fixing unit temperature
exceeds the setting one. Thermistor defective Replace the fixing unit.
PS PCB unit defective Replace the PS PCB unit.
Main PCB defective Replace the main PCB.
70 Not used. - -
71
Polygon motor of laser
scanner unit ASSY does not
synchronize with the
reference clock.
Laser scanner unit ASSY
harness not connected
properly.
Reconnect the laser scanner
unit ASSY harness.
Laser scanner unit ASSY
defective Replace the laser scanner
unit ASSY.
Main PCB defective Replace the main PCB.
72
Beam detect signal of laser
scanner unit ASSY cannot be
detected.
Laser scanner unit ASSY
harness not connected
properly.
Reconnect the laser scanner
unit ASSY harness.
Laser scanner unit ASSY
defective Replace the laser scanner
unit ASSY.
Main PCB defective Replace the main PCB.
73
Toner cartridge or drum unit
not installed.
The toner sensor is always
ON.
Install the drum unit.
Replace the toner sensor
PCB ASSY.
Main PCB defective Replace the main PCB.
Error Indication
25
2