LASER EXPOSURE
SM
2-9
G031/G032
Det
a
iled
De
s
c
ri
ptions
2.2.4 LD SAFETY SWITCH
Front Cover Safety Switch
To ensure that the laser beam does not inadvertently switch on during servicing,
there is a safety switch located at the front cover. The switch is on the LD 24 V line.
Mechanical Laser Shutter
When the toner cartridge is removed, the laser shutter is released and this
interrupts the laser beam.
Power Supply
Unit
Engine Control
Board
LD Drive Board
LD Driver
L D
+ 2 4 V
C N 7 - 7
C N 1 - 7
C N 1 6 - 1
C N 1 0 4 - 1
P D
Voltage
Regulator
Front Cover
Safety Switch
C N 1 0 3 - 2
C N 1 0 3 - 1
G031D500.WMF
Содержание G031
Страница 1: ...SERVICE MANUAL 000832MIU G031 G032 G049 G054 RICOH GROUP COMPANIES...
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Страница 3: ...SERVICE MANUAL G031 G032 G049 G054 RICOH GROUP COMPANIES...
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Страница 5: ...G031 G032 G049 G054 SERVICE MANUAL 000832MIU...
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Страница 25: ...OVERALL INFORMATION...
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Страница 43: ...DETAILED DESCRIPTIONS...
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Страница 93: ...INSTALLATION...
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Страница 101: ...SERVICE TABLES AND PROCEDURES...
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Страница 133: ...PREVENTIVE MAINTENANCE...
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Страница 137: ...REPLACEMENT AND ADJUSTMENT...
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Страница 171: ...TROUBLESHOOTING...
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Страница 191: ...ENVELOPE FEEDER G913...
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Страница 197: ...PAPER FEED UNIT G914 G915...
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Страница 217: ...NETWORK INTERFACE BOARD G919 TYPE 2000...
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Страница 237: ...G049 G054 SERVICE MANUAL...
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Страница 275: ...TECHNICAL SERVICE BULLETINS...
Страница 290: ...G049 G054 SERVICE MANUAL...
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