Laser Unit Errors - MINOLTA-QMS Magicolor 2200 Series Manual

5-5 Laser unit errors

Laser unit error
No.
1. Check that the connections between the connec-
tors for the laser unit control section and polygon
motor are correct.
2. —
Others
A laser unit error is detected when one of the following is detected:
1. Service Call 10 POLYGON MOTOR: A laser unit error is detected when the polygon Motor M_Lock signal is
inactive for 0.4 seconds from 8 seconds after the polygon motor (M6) starts until the polygon motor (M6) stops.
2. Service Call 12 LASER ERROR: A laser unit error is detected when a LD_SOS signal has not been detected
within the specified time after the polygon motor has been set to on and the laser light emission has started. OR a
laser unit error is detected when a LD_SOS signal has not been detected during printing (during laser light emis-
sion).
Laser unit error detection
Polygon motor
LD_SOS signal
Check
7 seconds
ON
(Preparation)
OFF
H
L
Normal
E-25
Result Corrective action
— Ensure the connection of the connector
(PJ27A) is secure.
Ensure the connection of the connector
(PJ12A) is secure.
Yes Replace laser unit.
Replace laser safety switch.
Replace PWB-A
4 seconds
(Printing)
Error