(2) Engine board
Engine board
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Main board |
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| paper feeder |
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RSTIN |
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| PLGCLK |
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| Reset IC | RSTN |
| PFMDRN | |
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| U02 |
| PFSEN, PFPFPER, PFCLK | ||
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| CPU | MOTORN | |
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| U01 | ||
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| MRDYN |
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| PLGDRN |
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| Main motor |
| PLGRDYN |
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Laser scanner unit |
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| EEDIO | EEPROM |
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| EESCK |
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| U03 |
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| Feed clutch | |
Cassette |
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| SWIN |
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switch |
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Regist- |
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| RESIT |
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ration |
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| PAPERN |
| FEDDRN | Registration clutch |
sensor |
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| RESDRN |
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Paper |
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| MPFDRN |
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sensor |
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FANH |
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| MP feed clutch | |
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| FANL |
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| THERMA |
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| MP paper sensor |
Bias board |
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| HANDSN | ||
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Heater lamp | HEATN |
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| control circuit | ZCROSS |
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| EXITN | ERASPW |
| Eraser |
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| MHVDR, THVDR, RTHDR, HVISEL, HVCLK |
| Eraser | lamp | ||
| ERASER |
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| 24 V DC |
| TONER | lamp |
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| control |
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| TNFULL |
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| 5 V DC |
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| circuit |
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| Cooling fan |
| Waste |
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| toner |
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| Toner sensor sensor |
| 5 V DC |
| Heater | |
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| lamp | |
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| output circuit |
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| Zero | AC input |
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| cross | |
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| Interlock |
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| High voltage |
| 24 V DC | signal |
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| output circuit | switch |
| output circuit | detection | Triac |
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| Exit | circuit |
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| sensor |
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| Thermistor |
High voltage board | Power supply board |
