Codes C0630 - C0870 - Kyocera TASKalfa 250ci Service Manual

2JZ/2JX/2JV/2H7-1
Code
C0630 DMA problem
DMA transmission of image data does
not complete within the specified period
of time.
C0640 Hard disk drive problem
The hard disk cannot be accessed.
C0650 FAX image DIMM check problem
Improper DIMM is installed.
C0800 Image processing problem
JAM05 is detected twice.
C0820 Fax control PWB CG ROM checksum
error (optional fax)
A checksum error occurred with the CG
ROM data of the fax control PWB.
C0830 Fax control PWB flash program area
checksum error (optional fax)
A checksum error occurred with the pro-
gram of the fax control PWB.
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.
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.
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.
1-4-28
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection the signal cable for
connector termi- CIS and the main PWB, and the continuity
nals. across the connector terminals. Repair or
replace if necessary.
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Poor contact in the Check the connection the main PWB and
connector termi- the the hard disk, and the continuity across
nals. the connector terminals. Repair or replace if
necessary.
Defective hard Run U024 (HDD formatting) without turning
disk. 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 Replace the main PWB and check for cor-
PWB. rect operation.
DIMM installed Check if the DIMM is inserted into the socket
incorrectly. on the main PWB correctly.
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Defective fax soft- Install the fax software.
ware.
Defective fax con- Replace the fax control PWB and verify the
trol PWB. operation.
Defective fax soft- Install the fax software.
ware.
Defective fax con- Replace the fax control PWB and verify the
trol PWB. operation.
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
The battery is dis- Check visually and remedy if necessary.
connected from the
main PWB.
Defective fax soft- Install the fax software.
ware.
Defective fax con- Replace the fax control PWB and verify the
trol PWB. operation.
Poor contact in the Check the connection of connector YC6 on
connector termi- the main PWB and the connector on the fax
nals. 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.
Remarks