Ricoh B079 Service Manual page 212

SERVICE CALL CONDITIONS
Code No.
836 B Self-diagnostic Error: Resident Font
ROM
The resident font ROM returned an
error during the self-diagnostic test.
837 B Self-diagnostic Error: Optional Font
ROM
The optional font ROM returned an
error during the self-diagnostic test.
840 C Self-Diagnostic Error 1: EEPROM
Access Error
During input/output with the EEPROM,
one of the following errors occurred:
A read error occurred, then continued
after 3 retries.
Write error occurred.
841 C Self-Diagnostic Error 2: EEPROM
Read/Write Data Error
The values of the data written and
"mirrored" in 3 errors are all detected as
not matching..
850 B Network I/F Abnormal
NIB interface error.
851 B IEEE 1394 I/F Abnormal
IEEE1394 interface error.
853 B Wireless LAN Error: Card Error 1
The wireless LAN board can be
accessed, but the wireless LAN card
(IEEE 802.11b or Bluetooth) cannot
access the board.
854 B Wireless LAN Error Card Error 2
The board that holds the wireless LAN
card can be accessed, but the wireless
LAN card (802.11b/Bluetooth) itself
cannot be accessed while the machine
is operating
855 B Wireless LAN Error 3: Card Error 3
An error is detected for the wireless
LAN card (802.11b or Bluetooth).
856 Wireless LAN Error 4: Board
An error is detected for the wireless
LAN card (802.11b or Bluetooth).
857 B USB I/F Error
The USB driver is unstable and
generated an error. The USB I/F cannot
be used.
860 C Startup without HD connection at main
power on
The hard disk connection is not
detected.
B079/B082
CÓPIA NÃO CONTROLADA
Symptom
4-14
CÓPIA NÃO CONTROLADA
Possible Cause
Font ROM defective
Font ROM defective
EEPROM defective
EEPROM worn out
The data is being written into the 3
designated errors differently
NIB defective
Controller board defective
• IEEE1384 interface board defective
Controller board defective
Wireless LAN card not inserted into the
wireless LAN board
Wireless LAN card has been removed
Wireless LAN card defective
Wireless card connection not tight
Wireless LAN card board defective
PCI connector loose
The USB driver can generate three
types of errors: RX, CRC, and STALL
errors. Only the STALL error can
generate this SC code.
Cable between HDC and HD loose or
defective
HD power connector loose or defective
HD defective
HDC defective
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