Part 5: Maintenance |
4.Sheet Feeder Error
Beeper: 8 times
ERROR indicator: Blinks 5 times
<Cause> Sheet feeder not initialized during printer initialization. <Suspected parts> Sheet feeder unit, pickup roller,
sheet feeder drive gear,
paper feed motor drive transmission gear, slide lock lever, logic board
<Measure>
Turn on power again.
Visually check operation
of sheet feeder drive.
•Check the movements of the parts (gears, etc.) inside the sheet feeder.
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| No | |||
Does error recur? | |||||
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Yes |
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| Turn the power on and | |||
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| off several times, and quit | ||
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| if the error does not recur. | ||
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Check operation
of sheet feeder unit.
•Remove the sheet feeder unit and manually rotate the drive gears to check that the pickup roller, etc., operates correctly and smoothly.
OK?
Yes
No
Service/replace
faulty parts.
Check platen paper
feed motor drive
transmission gear.
OK?
Yes
Replace logic board.
•Faulty pickup roller sensor
•Faulty MPU
•Faulty PCB soldering/conductivity
•Visually check the appearance and operation of the paper feed rollers and power switching gears, which transmit the power of the paper feed motor.
•Simultaneously check the operation of the purge unit's slide lock lever, which locks the power switching unit.
No
Service/replace
faulty parts.
