PRINTER 14 June, 2002
6-12
LD Safety
Interlock Switch
To ensure that the laser beam does not inadvertently switch on during servicing,
there is a safety switch located at the left cover. The switch is on the LD 24 V line.
Mechanical Laser Shutter
When the AIO cartridge is removed, the laser shutter is released and this interrupts
the laser beam.
LD Unit Service Call Condition
Sub-Code Error Code Description
0322 9-20 No polygonal motor synchronization signal detected.
Power Supply
Unit
FCU
LD Drive Board
LD Driver
LD
+24VE
CN17-2
CN101-7
PD
Voltage
Regulator
Interlock
Switch
CN31
FET
H310D900.WMF
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