CHAPTER 4
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.