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DIAGRAMS
E70
E77-1
E77-2
E77-3
E77-4
E77-5
E77-6
E77-11
E77-12
F56-2
F98-76
Communication abnormality
<When copying>
After the roller starts transfer-
ring, it does not reach the shift
position. (PS18(roller shift HP)
is not turned ON).
After the roller starts returning,
PS18(roller shift HP) is not
turned ON.
<When the power is ON/When
the door opens or closes>
After M2 starts operating, PS18
(roller shift HP) is not turned
ON.
After M3 (tray UP/DOWN) starts
moving, PS2 (tray upper limit)
or PS7 (stapled paper exit up-
per limit) is not turned ON.
After M5 (register plate) starts
operating, PS8 (register plate
HP) is not turned OFF within a
certain period, or it is not turned
ON after its OFF.
After M7(paper exit roller) starts
moving, PS9 (paper exit belt
HP) is not turned ON. (only in
staple mode).
After M8 (paper exit) starts
moving, opening/closing action
does not stop within a certain
period. (PS12 (paper exit) is
not tuned ON or OFF).
After M11 (stapler) starts oper-
ating, PS11 (stapler transfer
HP) is not turned OFF. Or it is
not turned ON after its OFF.
The staple HP does not go ON
within the specified period after
the staple motor starts, and
even if the motor is rotated in
reverse the staple HP does not
go ON.
Main body operation panel
communication error.
Sub-scanning beam
misalignment correction error.
The main body is
stopped immediately
and the main relay is
turned OFF, rejecting
any key input.
Full auto screen appears
––
Causes
Operation in case of warn-
ing occurrence
Releasing
method
Set the main
switch to ON/
OFF.
Remove any
jammed paper.
Turn SW1
(main ) OFF
then ON again.
Estimated abnormal parts
Classifica-
tion
Warning
code
Finisher
Finisher
abnormality
M2 (roller
shift )
abnomality
M3 (tray UP/
DOWN)
abnomality
M5 (register
plate)
abnomality
M7 (paper
exit roller)
abnomality
M8 (paper
exit)
abnomality
M11 (stapler
transfer)
abnormality
Stapler unit
abnormality
FNS DB (FNS drive board)
Connector
M2 (roller shift), PS18
(roller shift HP)
M3 (tray UP/DOWN), PS2
(tray upper limit), PS7 (sta-
pled paper exit upper limit)
M5 (register plate), PS8
(register plate HP)
M7 (paper exit roller), PS9
(paper exit belt HP)
M8 (Paper exit) , PS12 (pa-
per exit)
M11 (stapler), PS11 (sta-
pler transfer HP)
Stapler (front) motor M10
and sensor PS17
Stapler (rear) motor M9
and sensor PS15
OB1 (operation board 1)
CB (control board)
IPB (image processing
board)
ADB (A/D board)
Main body
In the case that [Front Door Open] message can’t be canceled, please check power source, a short circuit in motors and a
grounding of wirings.
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