Gestetner B130 Service Manual page 133

No. Definition
SC Error
Level
Code Code
322 -- B
390 -- B
391 -- B
392 -- B
401 -- B
402 -- B
SM
CÓPIA NÃO CONTROLADA
Symptom
Laser synchronization error
The main scan synchronization
detector does not detect the
laser signal for 0.5 second.
TD sensor error
The BICU detects the TD
sensor outputting abnormal
voltage (less than 0.2 V or
more than 4.0 V) 10 times
consecutively.
Development bias leak
The polling module detects a
current leak of the
development bias.
Developer initialization error
The ID sensor does not detect
a correct pattern during
developer initialization (
214-001).
Transfer roller leak error (positive electrode)
The feedback voltage of the
transfer roller is insufficient.
Transfer roller leak error (negative electrode)
The feedback voltage of the
transfer roller is insufficient.
4-13
CÓPIA NÃO CONTROLADA
SERVICE CALL CONDITIONS
Possible Cause
• Toner bottle not installed
• Loose connection between the LD
unit and the BICU
• Defective cable between the BICU
and LD unit
• LD unit out of position
• Defective LD unit
• Defective BICU
• Defective TD sensor
• Loose connection of the PCU
• Loose connection of the PCU
• Defective high voltage supply board
• Defective ID sensor
• Insufficient developer
2-
• Defective drum operation
• Defective development roller
operation
• Loose connection of the PCU
• Insufficient voltage for the charge
roller
• Defective high voltage supply board
• Loose connection of the PCU
• Incorrect installation of the transfer
unit or the separation unit
• Defective transfer roller
• Defective high voltage supply board
• Loose connection of the PCU
• Incorrect installation of the transfer
unit or the separation unit
• Defective transfer roller
B129 Series/B044 Series