17 January, 2003
SC TABLE
4-11
SC No.
Item
Definition
Possible Cause
Related
SCs
Troubleshooting Procedure
Type
SC 142
(CF)
White level
detection error
•
The white level cannot be
adjusted within the target
during auto gain control.
•
Dirty exposure glass
or optics section
•
SBU board defective
•
IPU board defective
•
Exposure lamp
defective
•
Lamp stabilizer
defective
1. Turn on the main switch off and on.
2. Clean the exposure glass, white plate,
mirrors, and lens.
3. Check if the exposure lamp is lit
during initialization.
4. Check the harness connection
between SBU and IPU.
5. Replace the exposure lamp.
6. Replace the SBU board.
7. Replace the IPU board
B
SC 161
(CF)
IDU error
•
After the command is
written into the DFID self-
diagnosis startup register,
the correct value is not
stored in the register in the
specified duration.
NOTE:
This error is
detected when the main
switch is turned on.
•
After the negate interruption
of FGATE occurs, IDU is not
recognized in the specified
duration.
NOTE:
This error is
detected during scanning
operations.
•
IPU board defective
(defective connection
between ASIC and
DFID, or Defective
LSYNC)
1. Turn the main switch off and on.
2. Replace the IPU board.
B
SC 195 Serial Number
Mismatch
•
Serial number stored in the
memory does not consist of
the correct code.
•
NVRAM defective
•
BCU replaced without
original NVRAM
Open the front cover and turn on the
main switch. Check the serial number
with SP5-811-002.
If the stored serial number is incorrect,
contact your product specialist for
details of how to solve the problem.