Gestetner B130 Service Manual page 132

SERVICE CALL CONDITIONS
No. Definition
SC Error
Level
Code Code
192 1-05 B
302 -- B
320 -- B
B129 Series/B044 Series
CÓPIA NÃO CONTROLADA
Symptom
SBU auto-adjustment error
During SBU auto-adjustment
( SP4-908), the detected
white level was out of range.
Detected LD error signal for
continuous 1.5 seconds while
polygon mirror motor was
running at constant speed.
Charge roller current leak
The polling module detects a
current leak of the charge
roller.
Polygonal mirror motor error
The polygon mirror motor does
not reach the operating speed
within 10 seconds. Or, the
polygon mirror motor remains
out of the operating speed for
0.2 second after reaching the
operating speed.
CÓPIA NÃO CONTROLADA
Possible Cause
• SBU auto adjustment was not done
correctly (
• Exposure lamp defective
• SBU harness defective
• Bad connection
• Defect in optics system (dirty
scanner mirror, mirror out of
position. etc.)
• Defective stabilizer board (or
connector)
• Incorrect start position or length for
white plate scanning (
• Scanner HP sensor out of position
• Synchronization detection mirror
defective
• LD unit defective
• FCU defective
• LD harness damaged
• THM not in place
• Defective charge roller
• Defective high voltage supply board
• Loose connection of the PCU
• Defective polygon mirror motor
• Loose connection between the
polygonal mirror motor and the
BICU
• Defective cable between the BICU
and the polygon mirror motor
• Defective BICU
4-12
3.13)
SP4-015)
SM