Kyocera TASKalfa 400ci - Codes C0630 - C0870

2JZ/2JX/2JV/2H7-1
1-4-28
C0630 DMA problem
DMA transmission of image data does
not complete within the specified period
of time.
Poor contact in the
connector termi-
nals.
Check the connection the signal cable for
CIS and the main PWB, and the continuity
across the connector terminals. Repair or
replace if necessary.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
C0640 Hard disk drive problem
The hard disk cannot be accessed.
Poor contact in the
connector termi-
nals.
Check the connection the main PWB and
the the hard disk, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective hard
disk.
Run U024 (HDD formatting) without turning
the power off to initialize the hard disk (see
page 1-3-21). Replace the hard disk drive
and check for correct operation if the prob-
lem is still detected after initialization.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
C0650 FAX image DIMM check problem
Improper DIMM is installed.
DIMM installed
incorrectly.
Check if the DIMM is inserted into the socket
on the main PWB correctly.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
C0800 Image processing problem
JAM05 is detected twice.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
C0820 Fax control PWB CG ROM checksum
error (optional fax)
A checksum error occurred with the CG
ROM data of the fax control PWB.
Defective fax soft-
ware.
Install the fax software.
Defective fax con-
trol PWB.
Replace the fax control PWB and verify the
operation.
C0830 Fax control PWB flash program area
checksum error (optional fax)
A checksum error occurred with the pro-
gram of the fax control PWB.
Defective fax soft-
ware.
Install the fax software.
Defective fax con-
trol PWB.
Replace the fax control PWB and verify the
operation.
C0840 Faults of RTC
The time is judged to go back based on
the comparison of the RTC time and the
current time or five years or more have
passed.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
The battery is dis-
connected from the
main PWB.
Check visually and remedy if necessary.
C0860 Fax control PWB software switch
checksum error (optional fax)
A checksum error occurred with the soft-
ware switch value of the fax control
PWB.
Defective fax soft-
ware.
Install the fax software.
Defective fax con-
trol PWB.
Replace the fax control PWB and verify the
operation.
C0870 Fax control PWB to main PWB high
capacity data transfer problem
High-capacity data transfer between the
fax control PWB and the scanner MIP
PWB was not normally performed even if
the data transfer was retried 10 times.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC6 on
the main PWB and the connector on the fax
control PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective PWB. Replace the fax control PWB or main PWB
and check for correct operation.
Code Contents
Remarks
Causes Check procedures/corrective measures