Identification failure for a new toner cartridge.
User Check
•Install the toner cartridges into the machine properly.
Step | Cause | Remedy |
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| Power off or front cover opened | Reset the developing bias voltage and |
1 | while detecting a new toner | develop roller counter. (Refer to "Developer |
| cartridge. | Roller Counter Reset" in Chapter 5.) |
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No paper in Tray (T1)
User Check
•Check if the paper is loaded into the paper tray correctly. Then press the [Go] button.
Step | Cause | Remedy | |
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| Registration front sensor failure | Check the sensor performance following | |
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| the procedure in "Factory Inspection Mode" | |
1 |
| (Chapter 5). | |
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| If any problem occurs, replace the | |
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| registration front sensor PCB ASSY. | |
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2 | Lift arm and roller holder ASSY not | Be sure to put the boss of the roller holder | |
assembled correctly | ASSY into the hole on the lift arm securely. | ||
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| Harness connection failure of | Check the harness connections of the | |
3 | registration front sensor PCB | registration front sensor PCB ASSY, and | |
| ASSY | reconnect it. | |
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4 | Harness connection failure of T1 | Check the harness connections of the T1 | |
solenoid | solenoid, and reconnect it. | ||
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5 | Replace the paper tray. | ||
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6 | Toner LED PCB ASSY failure | Replace the toner LED PCB ASSY. | |
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7 | Main PCB ASSY failure | Replace the main PCB ASSY. | |
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