ENGINE CONTROL BOARD
G031/G032
2-40
SM
2.8.2 DEVICES
The engine control board controls the printer engine system.
Devices
Functions
16-bit microprocessor
CPU
Internal RAM: 512 bits
Serial communication control for I/F controller
Laser printing control
Power width modulation (PWM) timer.
LD driver sample hold function
Pattern generation
Fusing unit control timer
Gate Array (GAZELLE)
I/O port
EPROM
128 K engine firmware ROM
EEPROM
Service maintenance information (counters, registration,
etc.) 1 kbit
SRAM
32 KB
TB1
The test pattern will be printed when TB1 is shorted.
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...
Страница 4: ......
Страница 5: ...G031 G032 G049 G054 SERVICE MANUAL 000832MIU...
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Страница 8: ......
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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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