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III-1. Multi-purpose tray pick-up block
<Possible causes>
1. Curled paper
Action: Straighten the paper, and then instruct the user.
2. The multi-purpose tray pick-up roller is worn, deformed, or dirty.
Action: Clean the tray pick-up roller if it is dirty. Replace if worn or deformed.
3. Spring of the sensor is out of place or defective
Action: Set the spring in the right position. Replace it if defective.
4. Gears are damaged.
Action: Remove the multi-purpose tray pick-up unit and check the gears. Replace any
damaged gears.
5. The multi-purpose tray pick-up clutch is defective.
Action: Remove the multi-purpose tray pick-up unit and disconnect multi-purpose tray
pick-up clutch connector J1303 from the multi-purpose tray PCB. Measure the
resistance between connector J1303-1 and J1303-2 on the cable side. If it is not
about 155Ω, replace the multi-purpose tray pick-up clutch.
6. The multi-purpose tray PCB is defective.
Action: Replace the multi-purpose tray PCB.
7. The DC controller PCB is defective.
Action: Replace the DC controller PCB.
III-2. Cassette pick-up block
<Possible causes>
1. The print paper is bent.
Action: Replace the paper.
2. The cassette pick-up roller, separation roller, or feed roller is worn or deformed.
Action: Replace if worn or deformed. Replace the separation roller and the feed roller
together.
3. Pick-up drive unit is damaged.
Action: Remove the pick-up unit and replace any damaged parts.
4. The pick-up motor is defective.
Action: Use the printer driver tester to rotate the paper pick-up motor. If it does not rotate,
replace it.
5. The cassette pick-up solenoid is defective.
Action: Remove the pick-up unit, and disconnect cassette pick-up solenoid connector
J1203 from the pick-up PCB. Measure the resistance between connector J1203-1
and J1203-2 on the cable side. If it is not about 190Ω, replace the cassette pick-
up solenoid.
6. The pick-up PCB is defective.
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CHAPTER 4