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ERROR CODE AND SELF-DIAGNOSTIC MODE
2 - 9
2
CB20 Finisher related
service call
Delivery motor abnormality: Delivery motor or deliv-
ery roller is not rotating normally. [MJ-1022]
P. 5 - 7 2
CB30 Tray 1/Tray 2 shift motor abnormality: Tray 1/Tray 2
shift motor is not rotating or delivery tray is not mov-
ing normally. [MJ-1023/1024]
P. 5 - 7 3
Movable tray shift motor abnormality: The movable
tray shift motor is not rotating or the movable tray is
not moving normally. [MJ-1101]
CB31 Movable tray paper-full detection error: The actua-
tor of the movable tray paper-full detection sensor
does not move smoothly. [MJ-1101]
P. 5 - 7 4
CB40 Rear aligning plate motor abnormality: Rear align-
ing plate motor is not rotating or aligning plate is not
moving normally. [MJ-1023/1024]
P. 5 - 7 4
Front alignment motor abnormality: The front align-
ment motor is not rotating or the front alignment
plate is not moving normally. [MJ-1101]
CB50 Staple motor abnormality: Staple motor is not rotat-
ing or stapler is not moving normally. [MJ-1022/
1023/1024]
P. 5 - 7 5
Stapler home position error: The stapler home posi-
tion sensor does not work. [MJ-1101]
CB51 Stapler shift home position error: The stapler is not
at the home position. [MJ-1101]
P. 5 - 7 5
CB60 Stapler unit shift motor abnormality: The stapler unit
shift motor is not rotating or the stapler is not mov-
ing normally. [MJ-1023/1024/1101]
P. 5 - 7 6
CB80 Backup RAM data abnormality:
(1) Abnormality of checksum value on finisher con-
troller board is detected when the power is turned
on. [MJ-1023/1024]
(2) Abnormality of checksum value on punch driver
board is detected when the power is turned on. [MJ-
1023/1024 (when MJ-6004 is installed)]
P. 5 - 7 6
RAM abnormality: Abnormality of checksum value
on finisher controller PC board is detected when the
power is turned on. [MJ-1101]
CB81 Flash ROM abnormality: Abnormality of checksum
value on finisher controller PC board is detected
when the power is turned on. [MJ-1101]
P. 5 - 7 7
CB90 Paper pushing plate motor abnormality: Paper
pushing plate motor is not rotating or paper pushing
plate is not moving normally. [MJ-1024]
P. 5 - 7 7
CBA0 Stitch motor (front) abnormality: Stitch motor (front)
is not rotating or rotary cam is not moving normally.
[MJ-1024]
P. 5 - 7 7
CBB0 Stitch motor (rear) abnormality: Stitch motor (rear)
is not rotating or rotary cam is not moving normally.
[MJ-1024]
P. 5 - 7 7
CBC0 Alignment motor abnormality: Alignment motor is
not rotating or aligning plate is not moving normally.
[MJ-1024]
P. 5 - 7 7
CBD0 Guide motor abnormality: Guide motor is not rotat-
ing or guide is not moving normally. [MJ-1024]
P. 5 - 7 8
CBE0 Paper folding motor abnormality: Paper folding
motor or paper folding roller is not rotating normally.
[MJ-1024]
P. 5 - 7 8
Error code Classification Contents Troubleshooting
06/01
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