Ricoh A-P3 Service Manual page 125

SERVICE CALL CONDITIONS
SC Level
951 C F-GATE error at write request
After the IPU receives an F-GATE
signal, it receives another F-GATE
signal (software timeout error)
954 B Printer setting error
The IPU does not respond with the
settings required to start printer
image processing.
955 C Memory setting error
The IPU does not respond with the
settings required to start memory
image processing.
966 No ready signal from the polygon
motor.
At the start of printing, no ready
signal is received for the polygon
motor from the LD unit.
984 B Print image data transfer error
The image transfer from the
controller to the engine via the PCI
bus does not end within 15 s after
startup.
986 C Software write parameter setting
error
An unstable area at the storage
destination in the settings table is set
NULL for the parameter received by
the write module.
990 B Software performance error
The software attempted to perform
an unexpected operation.
991 D Software continuity error
The software attempted to perform
and unexpected operation. Unlike
SC990, continuity of the software is
the problem.
Symptom
4-12
6 November, 2001
Possible Cause
• Software defective
• BICU defective
• Software defective
• Software defective
•
Defective polygon mirror motor
• Controller board defective
• BICU defective
• Connectors between BICU and
controller loose or defective
• Software defective
• Software defective
• Internal parameter incorrect
• Insufficient working memory
•
When this SC occurs, the file
name, address, and data will be
stored in NVRAM. Note the above
data and the situation in which this
SC occurs. Report this information
to the technical control center.
• Software bug
• Internal parameter incorrect
• Insufficient working memory