CHAPTER 2
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| +24VA | DC controller PCB | |||
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Lifting plate | SL2 |
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| "L" to drive the lifting plate. If the | ||||||
solenoid |
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| /MPTSLD | |||||
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| plate is up it will drop, if down it will |
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| rise. | |
Manual feed | CL3 |
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| "L" to rotate the manual feeding | ||||||
clutch |
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| /MTPCLD | |||||
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| Switch/sensor PCB |
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| SL3 |
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| "L" to deliver printed paper face up. | |||||
solenoid |
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| /FUSLD | |||||
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| Power | RLD | "L" to turn OFF the relay and interrupt | ||
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| supply |
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AC power |
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| the power to the fixing heater. | |
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| /FSRD1 | The main heater is turned ON when | ||
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| Power |
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| the FSRDE signal is output and this |
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| signal is "L." | |
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| switch |
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| /FSRD2 | The sub heater is turned ON when | |||
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| S101 | ||||
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| the FSRDE signal is output and this | |
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Fixing unit |
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| signal is "L." | ||
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| FSRDE | Fixing heater drive enable signal | |||
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| (pulse signal) | |
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| FSRN1 | FSRCT | "L" when the current transformer | |||||
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| detects the power to the fixing heater. | ||||
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| FSRL1 |
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| SUPSLT | Inverter circuit control signal. | ||||||
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| FSRL2 | |||||||
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| FSRN2 | /RLDSNS | "L" when the relay is turned ON. | |||||
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| PSTYP | "L" when the line voltage is 200V (for | ||
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J53 |
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| J55 |
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| 200V model only) | |||
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| /REMT24 | When "L", the power supply uni | |||||
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| Relay | ||||
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| outputs 24V to the DC controller. | |
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| H2 |
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| RY151 |
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Fixing sub heater |
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J52 |
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| J54 |
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| RY152 |
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| H1 |
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Fixing main heater |
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Fixing roller |
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| TSW |
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| TSWOUT |
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surface |
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temperature |
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| TSWIN |
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sensor |
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TH |
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| FSRTH | The voltage drops as the | |||||
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| fixing roller temperature | |||||
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| rises. |
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| Figure |
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2 - 9