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Part 5: Maintenance
8.Cleaning Error
<Measure>
Visual check of paper
feed system operation
Sensor arm check
Purge unit check
Disassemble and
check the paper feed
motor drive switching
mechanism
<Cause>
<Suspected Parts>
During initialization, do the paper feed motor,
pick-up roller, feed roller, eject roller, etc.,
rotate? Any abnormal noises? Is the paper
feed motor out of sync?
No
Correct ?
Yes
1. Repair/Replace faulty
part
2. Replace logic board
Move it by hand and see if it moves smoothly.
Also, any deformation or damage at the
locations indicated by the arrow?
No
Correct ?
Replace sensor arm
Yes
or repair/replace
Remove the purge unit and move it as shown
by the arrow to check if it moves smoothly.
Any gear deformation or damage?
No
Correct ?
Yes
Replace purge unit
If the gear is deformed or damaged, disassemble
and check the paper feed motor drive switching
mechanism refer to
paper feed motor drive transmission (page 4-21)
Cleaning is not executed properly or not being detected.
Home position sensor, sensor arm, purge
unit, carriage ribbon cable, logic board
faulty part
Part 4: 3.4.2 4) Switching the
5-16
Sensor Arm
.
BJC-2000
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