Ricoh MT-C1 User Manual

B064 SERIES SERVICE MODE 15 February 2006
4-30
SC No. Symptom Possible Cause
Self-diagnostic error: NVRAM (option NVRAM) 826 C
The difference between the 1 s
measured for RTC in the NVRAM
and the 1 s timeout of the CPU is
out of range, or the NVRAM is not
detected.
• NVRAM defective
• NVRAM installed incorrectly
Self-diagnostic error: RAM 827
C
The write/verify check for the RAM
mounted on the board resulted in
an error.
• Controller board defective
• RAM defective
Self-diagnostic error: ROM 828
C
• Measuring the CRC for the boot
monitor and operating system
program results in an error.
• A check of the CRC value for
ROMFS of the entire ROM area
results in an error.
• Software defective
• Controller board defective
• ROM defective
Self-diagnostic error: RAM (option) 829
C
• A write/verify check of the RAM
mounted on the board results in
a error.
• The SPD value of the entire RAM
DIM is incorrect, or cannot be
read.
Note: RAM is not in use so the
result is not displayed on the
operation panel.
• Controller board defective
• RAM defective
Self-diagnostic error: Centronic device 835
C
• Loopback connector is
connected but check results in
an error.
• Loopback connector is
connected but DMA data error
detected.
• Centronic loopback connector is
not connected for detailed self-
diagnostic test.
• Controller board defective
• Centronic loopback connector not
connected correctly
• Centronic loopback connector defective
Self-diagnostic error: Font ROM 836
C
A device exists in the font area but
it contains corrupted data.
• Font device defective
Self-diagnostic error: Font ROM (option) 837
C
A device exists in the font area but
it contains corrupted data.
• Font device defective
Self-diagnostic error: Clock Generator 838
C
Setup data is read from the clock
generator via the I2C bus but differs
from the prescribed value.
• Controller board defective
Net I/F error 850 B
• Duplicate IP addresses.
• Illegal IP address.
• Driver unstable and cannot be
used on the network.
• IP address setting incorrect
• NIB (PHY) board defective
• Controller board defective

Ricoh MT-C1 Specifications

General

Brand	Ricoh
Model	MT-C1
Category	All in One Printer
Language	English