Table of Contents
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BJC-2000
Pick-up roller sensor
Pick-up roller
sensor check
Paper end sensor
Paper sensor check
Paper Sensor
Previous
Page
Pick-Up Roller Sensor
flag check
Check for pick-up roller sensor flag
deformation or damage.
No
Correct ?
Replace pick-up
Yes
roller unit
Measuring points
MPU
Pin No. 50
Check by moving the pick-up roller
by hand while the power is on.
No
Correct ?
Yes
Replace logic board
Check for any deformation or wear.
Any deformation or damage?
arm check
No
Correct ?
Replace paper end
Yes
sensor arm
Repair/replace the
faulty part
Measuring points
MPU
Pin No. 49
Check by moving the paper end sensor arm
by hand while the power is on.
No
Correct ?
Yes
Replace logic board
END
Pick-Up Roller Sensor Flag
Paper Sensor Arm
Sensor
Normal reading
Open
Low level
Closed
High level (Initial condition)
Sensor
Normal reading
Open
Low level (Paper present)
Closed
High level (No paper)
5-13
Part 5: Maintenance
Paper
Pick-Up Roller
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