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2) Worn/deformed cassette pick-up roller and cassette feed roller
Action: Replace them if worn or deformed. The feed roller and the separation roller must be
replaced at the same time.
3) Damaged gears
Action: Check the cassette feed roller drive gears or spring. Replace them if worn or dam-
aged. Re-set the spring if it is out of position.
4) Make a test print with no left cover unit. If the pick-up motor does not rotate, go to step 10)
5) Damaged gears
Action: Check the gears which transmit the drive from the pick-up motor to the cassette
pick-up roller or spring. Replace them if worn or damaged. Re-set the spring cor-
rectly if it is out of position.
6) Defective cassette pick-up solenoid
Action: Disconnect the cassette pick-up solenoid connector J106. Measure the resistance
between the cable side connector J106-3 (CSTSLON) and J106-1 (+24VA). If it is
not about 160 , replace the solenoid.
7) Poor contact in the cassette pick-up solenoid drive connector
Action: Reconnect the connectors between the cassette pick-up solenoid, the feed PCB, and
DC controller PCB.
8) Defective feed PCB
Action: Replace the feed PCB.
9) Defective DC controller PCB
Action: Replace the DC controller PCB.
10) Poor contact in the pick-up motor drive connector
Action: Reconnect the connectors between the pick-up motor, the feed PCB, and the DC
controller PCB.
11) Defective pick-up motor
Action: Replace the pick-up motor.
12) Defective feed PCB
Action: Replace the feed PCB.
13) Defective DC controller PCB
Action: Replace the DC controller PCB.
[ 3-3 ] Transfer and feed block
<Possible causes>
1) If the paper is jammed in the secondary transfer area after its leading edge passed the reg-
istration roller, go to step 11).
2) If the paper is jammed in the feeding area after its trailing edge passed the secondary trans-
fer area, go to step 17).
CHAPTER 4
4 - 29
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Troubleshooting
