SERVICE CALL CONDITIONS 9 March 2004
4-8
No.
Definition
Symptom Possible Cause
Mechanical total counter error 901 B
The polling module does not detect the
mechanical total counter.
•
Defective mechanical total counter
• Defective BICU
•
Loose connection
Engine total counter error 903 B
The checksum of the total counter is
not correct.
• Defective NVRAM on the BICU
Printer error 920 C
A fatal error is detected in the printer
application program
•
Defective printer application program
• Incorrect hardware configuration
(including memory shortage)
Printer font error 921 C
Necessary font files are not found in the
SD card.
• Necessary font files not installed
• Data corruption
•
Defective controller
Net file error 925 C
The net-file management-file contains a
fatal error.
• Data corruption
•
Defective firmware
• Defective controller
Memory error 928 B
An error occurs during the memory
check conducted when the main power
switch is turned on or when the copier
is recovering from the energy saver
mode.
• Defective memory
• Defective BICU
•
Loose connection between the BICU
and the memory
IMAC hardware error 929 B
A memory control job is not completed
within a certain period.
• Defective IMAC
• Defective BICU
•
Loose connection
Printer application program error 954 B
The printer application program does
not become ready when the printer
application program is necessary.
• Defective application program
Image transfer error 955 B
The BICU requests the controller to
transfer image data; but the controller
does not become ready.
• Defective application program
Status error (laser optics housing unit) 964 B
The optics-housing unit does not
become ready within 17 seconds after
a request.
• Defective software
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