SERVICE CALL CONDITIONS
B121 Series/B259 Series 4-10 SM
No.
Definition
Symptom Possible Cause
Status error (laser optics housing unit) 964 B
The optics housing unit does not
become ready within 17 seconds after
the request.
• Software defective
NVRAM error 981 B
The machine detects a discrepancy in
the NVRAM write/read data when
attempting to save actual data to the
NVRAM (i.e. during actual use).
• NVRAM defective
• Poor connection between BICU and
NVRAM
• NVRAM is not connected
• BICU defective
Localization error 982 B
The localization settings in the
nonvolatile ROM and RAM are different
( SP5-807-1).
• First machine start after the NVRAM
is replaced
• Incorrect localization setting
• NVRAM defective
Print image transfer error 984 B
Print images are not transferred.
• Controller defective
• BICU board defective
• Poor connection between controller
and BICU
Software performance error 990 B
The software attempted to perform an
unexpected operation.
• Software defective
• Internal parameter incorrect
• Insufficient working memory
• When this SC occurs, the file name,
address, and data will be stored in
NVRAM. This information can be
checked by using SP7-403. Note the
above data and the situation in
which this SC occurs. Then report
the data and conditions to your
technical control center.
Software continuity error 991 D
The software attempted to perform an
unexpected operation. However, unlike
SC990, the object of the error is
continuity of the software.
• No operation required. This SC code
does not appear on the panel, and is
only logged.
Unexpected Software Error 992 B
Software encountered an unexpected
operation not defined under any SC
code.
• Software defective
• An error undetectable by any other
SC code occurred
Application function selection error 997 B
The application selected by a key press
on operation panel does not start or
ends abnormally.
• Download the firmware for the
application that failed
• An option required by the application
(RAM, DIMM, board) is not installed
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