2KR/2KS
1-4-37
C8050 Paper conveying belt motor 1 prob-
lem (optional 3000-sheet document
finisher)
Paper conveying belt home position sen-
sor 1 does not turn off within 1.5 s.
Paper conveying belt home position sen-
sor 1 does not turn on within 2.5 s.
Jam 88 is indicated.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC2 on
the inner tray PWB and the connector on
paper conveying belt motor 1, and the conti-
nuity across the connector terminals. Repair
or replace if necessary.
Defective paper
conveying belt
home position sen-
sor 1.
Replace paper conveying belt home position
sensor 1.
Defective paper
conveying belt
motor 1.
Replace paper conveying belt motor 1.
Defective PWB. Replace the inner tray PWB or finisher main
PWB and check for correct operation.
C8060 Paper conveying belt motor 2 prob-
lem (optional 3000-sheet document
finisher)
Paper conveying belt home position sen-
sor 2 does not turn off within 1.5 s.
Paper conveying belt home position sen-
sor 2 does not turn on within 1.5 s.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC6 on
the inner tray PWB and the connector on
paper conveying belt motor 2, and the conti-
nuity across the connector terminals. Repair
or replace if necessary.
Defective paper
conveying belt
home position sen-
sor 2.
Replace paper conveying belt home position
sensor 2.
Defective paper
conveying belt
motor 2.
Replace paper conveying belt motor 2.
Defective PWB. Replace the inner tray PWB or finisher main
PWB and check for correct operation.
C8070 Inner tray communication error
(optional 3000-sheet document fin-
isher)
Communication with the inner tray is not
possible although the connection is
detected.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC6 and
YC24 on the finisher main PWB and the
connector YC1 and YC4 on the inner tray
PWB, and the continuity across the connec-
tor terminals. Repair or replace if necessary.
Defective PWB. Replace the inner tray PWB or finisher main
PWB and check for correct operation.
Code Contents
Remarks
Causes Check procedures/corrective measures