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• DP
Problem
Causes/check procedures
(1)
A piece of paper torn from
An original jams
an original is caught
when the main
around the DP timing
switch is turned on.
switch.
Defective DP timing
switch.
(2)
Defective DP timing
An original jams in
switch.
the DP is indicated
during copying (no
Check if the forwarding
original feed).
pulley or feed pulley is de-
Jam code 70
formed.
(3)
Defective DP timing
An original jams in
switch.
the DP during copy-
ing (a jam in the
Check if the conveying
original conveying
roller or exit roller is de-
section).
formed.
Jam code 71
(4)
An original outside the
Original jams fre-
specifications is used.
quently.
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.
Corrective measures
Remove any found.
Run maintenance item U244 and turn DP timing switch on and
off manually. Replace DP timing switch if indication of the corre-
sponding switch is not light.
Run maintenance item U244 and turn DP timing switch on and
off manually. Replace DP timing switch if indication of the corre-
sponding switch is not light.
Check visually and replace the deformed pulley.
Run maintenance item U244 and turn DP timing switch on and
off manually. Replace DP timing switch if indication of the corre-
sponding switch is not light.
Check visually and replace the deformed roller.
Use only originals conforming to the specifications.
Clean with isopropyl alcohol.
Check and remedy.
Check and remedy.
2DC
1-5-7
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