Kyocera TASKalfa 420i, Service Manual

Page: 199 / 508

2KR/2KS
1-4-41
C8220 Stapler moving motor 2 error
(optional 3000-sheet document fin-
isher)
When operation returned to a home
position is performed at the time of initial
operation and a home position is not
detected even if 3.5 s passed.
Poor contact in the
connector termi-
nals. Check the connection of connector YC10 on
the finisher main PWB and the connector of
staple relay PWB and stapler moving motor
2, and the continuity across the connector
terminals. Repair or replace if necessary.
Defective stapler
moving motor 2. Replace stapler moving motor 2.
Defective staple
relay PWB. Replace the staple relay PWB and check for
correct operation.
Defective finisher
main PWB. Replace the finisher main PWB and check
for correct operation.
C8230 Stapler motor problem (optional 3000-
sheet document finisher)
Jam 82 is indicated.
Poor contact in the
connector termi-
nals. Check the connection of connector YC10 on
the finisher main PWB and the connector of
staple relay PWB and stapler motor, and the
continuity across the connector terminals.
Repair or replace if necessary.
Defective stapler
motor. Replace the stapler motor.
Defective staple
relay PWB. Replace the staple relay PWB and check for
correct operation.
Defective finisher
main PWB. Replace the finisher main PWB and check
for correct operation.
C8300 Center-folding unit communication
error (optional center-folding unit of
3000-sheet document finisher)
Communication with the center-folding
unit is not possible although the connec-
tion is detected.
Poor contact in the
connector termi-
nals. Check the connection of connector YC5 and
YC20 on the finisher main PWB and the
connector YC1 and YC2 on the centerfold
main PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective center-
fold set switch. Replace the centerfold set switch.
Defective center-
fold main PWB. Replace the centerfold main PWB and
check for correct operation.
Defective finisher
main PWB. Replace the finisher main PWB and check
for correct operation.
C8310 Centerfold side registration motor 2
problem (optional center-folding unit
of 3000-sheet document finisher)
The home position is not detected when
initial operation even if 1 s passed.
Poor contact in the
connector termi-
nals. Check the connection of connector YC6 on
the centerfold main PWB and the connector
of centerfold side registration motor 2, and
the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective center-
fold side registra-
tion motor 2. Replace centerfold side registration motor 2.
Defective PWB. Replace the centerfold main PWB or finisher
main PWB and check for correct operation.
Code Contents
Remarks
Causes Check procedures/corrective measures