9520 Isc Pwb Error C; 9940 Confidential Document Guard Uninstalled Error; 9950 Isc Pwb Error C; F000 Communication Error Between Main Pwb And Operation Pwb - Kyocera TASKalfa 3510i Service Manual

Code Contents
ISC PWB error C
9520
Confidential document
9940
guard uninstalled error
The confidential document
guard PWB is removed while
the confidential document
guard PWB is valid.
ISC PWB error C
9950
FPGA configuration error
CPU version information error
This is caused when the PWB
of a double-side scanning DP
is connected, the confidential
guard PWB is inserted, and
the harness is not correctly
connected
F000 Communication error
between main PWB and
operation PWB
Related parts
Main PWB
ISC PWB
Confidential
document guard
PWB
Confidential
document guard
PWB
Main PWB
Operation PWB Replace the operation PWB (see page 1-5-
52).
1-4-68
Check procedures/
corrective measures
1. Reinsert the connector if its connection
is loose.
Main PWB (YC25) and ISC PWB (YC4)
2. Replace the main PWB (see page 1-5-
38).
3. Replace the ISC main PWB
4. Contact the Service Support.
1. Check that the confidential document
guard PWB is firmly installed and, if not,
install firmly.
2. Replace the confidential document
guard PW.
1. Replace the confidential document
guard PW.
2. Replace the main PWB (see page 1-5-
38).
1. Turn the main power swtch off and after
5 seconds, then turn power on.
2. Check that the wirings and connetors
between the main circuit PWB and the
operation circuit PWB and between the
main circuit PWB and the HDD are
normal.
Main PWB (YC12,YC17,YC30) and
Operation PWB (YC1,YC2,YC3)
3. Check that the DDR memories in the
main circuit PWB are well conducted
and, if not, replace.
4. Execute U024 to initialize (FULL) the
HDD (see page 1-3-30).
5. Execute U021 to initialize memory. (see
page 1-3-29)
6. Replace the Main PWB.
7. Copy the log File saved in the HDD by
U964 in USB memory and contact the
service support (see page 1-3-181).
2NL/2P8