Kyocera KM-6030 - Page 196

2FB/2FC-4
1-5-35
C3500 Communication error between scan-
ner and SHD
• An error code is detected.
Defective SHD
PWB.
Replace the SHD PWB and check for cor-
rect operation.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC3 on
the scanner PWB and YC4 on the SHD
PWB, and the continuity across the connec-
tor terminals. Repair or replace if necessary.
Defective scanner
PWB.
Replace the scanner PWB and check for
correct operation.
C3900 Backup memory read/write error
(scanner PWB)
• Read and write data does not match.
Defective back up
RAM or scanner
PWB.
Replace the scanner PWB and check for
correct operation.
C3910 Backup memory read/write error
(scanner PWB)
• Data in the specified area of the
backup memory does not match the
specified values.
Problem with the
backup memory
data.
Run maintenance item U022 to initialize the
backup memory data.
Defective scanner
PWB.
If the C3910 is displayed after initializing the
backup memory, replace the main PWB and
check for correct operation.
C4000 Polygon motor synchronization prob-
lem
• The revolution does not reach the sta-
ble speed within 20 s of the START
signal.
Poor contact in the
polygon motor con-
nector terminals.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective polygon
motor.
Replace the laser scanner unit (see page 1-
6-42).
Defective engine
PWB.
Check if 24 V DC is supplied to YC17-1 on
the engine PWB. If not, replace the engine
PWB.
C4010 Polygon motor steady-state problem
• The polygon motor rotation is not sta-
ble for 5 s after the polygon motor rota-
tion has been stabilized.
Poor contact in the
polygon motor con-
nector terminals.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective polygon
motor.
Replace the laser scanner unit (see page 1-
6-42).
Defective engine
PWB.
Check if 24 V DC is supplied to YC17-1 on
the engine PWB. If not, replace the engine
PWB.
C4100 BD initialization (A) problem
• When power is turned on, only laser A
is output and ASIC of main PWB
detects a BD error for 2000 ms.
Defective laser
scanner unit.
Replace the laser scanner unit (see page 1-
6-42).
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
Poor contact in
connector termi-
nals.
Check the connection of connector YC8 on
the main PWB. Repair or replace if neces-
sary.
C4110 BD initialization (B) problem
• When power is turned on, only laser B
is output and ASIC of main PWB
detects a BD error for 2000 ms.
Defective laser
scanner unit.
Replace the laser scanner unit (see page 1-
6-42).
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
Poor contact in
connector termi-
nals.
Check the connection of connector YC8 on
the main PWB and the continuity across the
connector terminals. Repair or replace if
necessary.
Code Contents
Remarks
Causes Check procedures/corrective measures