<Symptoms> • Paper not picked up, or multiple pages picked
up
• Paper skewed or not output
• Frequent paper jams
<Cause> • Faulty sheet feeder unit
• Faulty paper edge guide, platen, feed roller, spur
unit, pinch roller and holder, paper output roller,
transmission roller parts
• Faulty paper feed motor
• Faulty paper output unit
• Faulty sensor lever
• Smally pieces of paper or other foreign objects in the
mechanism
<Measure>
5-33
BJC-7100
Part 5: Maintenance
3. Faulty pickup
Check print media and
ambient conditions.
Do they meet
specifications?
Turn ON power and
make test print.
Check feed status.
Following the
troubleshooting procedures
for each error.
Does error recur?
OK?
Check sheet feeder unit.
OK?
Check, service, or replace
paper transport mechanism
(other than sheet feeder unit).
Service or replace
faulty parts.
Use print media and
ambient conditions that
satisfy printer specifications.
No
Yes
Yes
No
Yes
No
No
Yes
•
Check for soiling
of pickup rollers,
and for
displacement of
separation hook
unit, hooks, etc.
END
• Check for displacement, damage, or soiling of the gears and springs
of the paper edge guide, platen, feed roller, spur unit, pinch roller
and holder, page output roller, transfer roller, paper feed motor, paper
output guide.
• Is print media picked
up OK?
• Does problem occur
with manually fed
print media?
Re-check operation
No
Yes
* Process for checking that
trouble is not accidental.
OK?
