Gestetner G060 Service Manual page 495

SC No. Item
SC142 White level
detection error
(CF)
SC 161 IDU error
(CF)
SC195 Serial Number
Mismatch
SM
Definition
• The white level cannot be • Dirty exposure glass
adjusted within the target
• SBU board defective
during auto gain control.
• IPU board defective
• Exposure lamp
• Lamp stabilizer
• After the command is • IPU board defective
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.
• Serial number stored in • NVRAM defective
• BCU replaced without
the memory does not
consist of the correct
code.
Related
Possible Cause
SCs
or optics section
defective
defective
(defective connection
between ASIC and
DFID, or Defective
LSYNC)
original NVRAM
4-13
Troubleshooting Procedure
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
1. Turn the main switch off and on.
2. Replace the IPU board.
Open the front cover and turn on the
main switch. Check the serial number
with SP5-811-2.
If the stored serial number is incorrect,
contact your product specialist for
details of how to solve the problem.
SC TABLE
Type
B
B
B
G570