2GM
1-5-7
Problem Causes/check procedures Corrective measures
• DP
(1)
An original jams
when the power
switch is turned on.
(2)
An original jams in
the DP is indicated
during copying (no
original feed).
Jam code 70
(3)
An original jams in
the DP during copy-
ing (a jam in the
original conveying
section).
Jam code 71
(4)
Original jams fre-
quently.
A piece of paper torn from
an original is caught
around the DP timing
switch.
Defective DP timing
switch.
Defective DP timing
switch.
Check if the forwarding
pulley or feed pulley is de-
formed.
Defective DP timing
switch.
Check if the conveying
roller or exit roller is de-
formed.
An original outside the
specifications is used.
The forwarding pulley or
feed pulley is dirty with pa-
per powder.
The conveying roller and
conveying pulleys do not
contact correctly.
The exit roller and exit pul-
leys do not contact cor-
rectly.
Remove any found.
Check if YC10-6 on the engine PWB remains low when the DP
timing switch is turned on and off. If it does, replace the DP tim-
ing switch.
Check if YC10-6 on the engine PWB remains low when the DP
timing switch is turned on and off. If it does, replace the DP tim-
ing switch.
Check visually and replace the deformed pulley.
Check if YC10-6 on the engine PWB remains low when the DP
timing switch is turned on and off. If it does, replace the DP tim-
ing switch.
Check visually and replace the deformed roller.
Use only originals conforming to the specifications.
Clean with isoproply alcohol.
Check and remedy.
Check and remedy.
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