Kyocera 300ci Service Manual page 260

2JZ/2JX/2JV/2H7-1
Code
C3300 Optical system (AGC) problem
After AGC, correct input is not obtained
at CCD.
C3310 CIS AGC problem
After AGC, correct input is not obtained
at CIS.
C3500 Communication error between scan-
ner and ASIC
An error code is detected.
C3900 Backup memory read/write problem
(ISC PWB)
Read and write data does not match.
C3910 Backup memory data problem (ISC
PWB)
Data in the specified area of the backup
memory does not match the specified
values.
C4000 Polygon motor synchronization prob-
lem
The rated speed achievement signal
won't turn to L in 48 s since the polygon
motor is activated.
C4010 Polygon motor steady-state problem
The rated speed achievement signal
turns to H every other 24 s after the poly-
gon motor is stabilized.
1-4-42
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector YC5 on
connector termi- the ISM PWB and the connector on the
nals. inverter PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective exposure Replace the exposure lamp or inverter
lamp or inverter PWB.
PWB.
Defective PWB. Replace the ISM PWB, ISC PWB or CCD
PWB and check for correct operation.
Defective DP driver Replace the DP driver PWB and check for
PWB. correct operation.
CIS output prob- Replace the CIS and check for correct oper-
lem. ation.
Defective DP Replace the DP inverter PWB and check for
inverter PWB. correct operation.
Poor contact in the Check the connection of connector YC2 on
connector termi- the CCD PWB and the connector YC2 on
nals. the ISC PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective PWB. Replace the CCD PWB or ISC PWB and
check for correct operation.
Defective backup Replace the ISC PWB or ISM PWB and
RAM or PWB. check for correct operation.
Defective backup Replace the ISC PWB or ISM PWB and
RAM or PWB. check for correct operation.
Poor contact in the Check the connection of connector YC13 on
connector termi- the engine PWB and laser scanner unit, and
nals. the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective polygon Replace the laser scanner unit (see page 1-
motor. 5-21).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Poor contact in the Check the connection of connector YC13 on
connector termi- the engine PWB and laser scanner unit, and
nals. the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective polygon Replace the laser scanner unit (see page 1-
motor. 5-21).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Remarks