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Ricoh MT-C1 User Manual

Ricoh MT-C1
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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

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Ricoh MT-C1 Specifications

General IconGeneral
BrandRicoh
ModelMT-C1
CategoryAll in One Printer
LanguageEnglish

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