Ricoh K-C3 Service Manual page 134

B245/B276/B277/B268/B269 Service Manual
No.
Definition
827 B
828 B
829 C
838 B
850 C
857 C
900 B
901 B
903 B
920 C
921 C
928 B
Symptom
during the self-diagnostic
test.
Self-diagnostic Error: RAM
The resident RAM
returned a verify error
during the self-diagnostic
test.
Self-diagnostic Error: ROM
The resident read-only
memory returned an error
during the self-diagnostic
test.
Self-diagnostic Error: Optional RAM
The optional RAM
returned an error during
the self-diagnostic test.
Self-diagnostic Error: Clock Generator
A verify error occurred
when setting data was
read from the clock
generator via the I2C bus.
Network I/F Abnormal
NIB interface error.
USB I/F Error
USB interface error
detected.
Electrical total counter error
The electrical total
counter does not work
properly.
Mechanical total counter
The mechanical total
counter does not work
properly.
Engine total counter error
The checksum of the total
counter is not correct.
Printer error
A fatal error is detected in
the printer application
program
Printer font error
Necessary font files are
not found.
Memory error
The machine detects a
discrepancy in the
write/read data during its
Possible Cause
Download controller firmware again
Controller board defective
Download controller firmware again
Replace the optional memory board
Controller board defective
Replace the controller board
NIB defective
Controller board defective
Defective controller
NVRAM on the GDI controller board
defective
Mechanical total counter defective
BICU defective
Disconnected mechanical total
counter
NVRAM on the BICU defective
Printer application program defective
Hardware configuration incorrect
(including memory shortage)
Font file not installed
Memory defective
BICU defective
Poor connection between BICU and
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