C02, C03: Ram Access Failure; C22: Eeprom Access Failure - Minolta magicolor 7300 Service Manual

FrameMaker Ver.6E (PC) magicolor 7300 TROUBLESHOOTING
02.08.08
(5)

C02, C03: RAM Access Failure

<Detection Timing>
Malfunction
Code
C02 When the SDRAM DIMM and Controller Board (PWB-Z) cannot
C03 communicate.
<Action>
SDRAM DIMM
Step Action
1 Change SDRAM DIMM.
2 Change PWB-Z.
(6)

C22: EEPROM Access Failure

<Detection Timing>
Malfunction
Code
C22 When EEPROM and Controller Board (PWB-Z) cannot communicate.
<Action>
Controller Board (PWB-Z)
Step Action
1 Change PWB-Z.
Description
Relevant Electrical Parts
Controller Board (PWB-Z)
Ref. Page
Control Signal
—
—
Description
Relevant Electrical Parts
Ref. Page
Control Signal
—
T-23
WIRING DIAGRAM
(Location)
(Electrical
Parts)
— —
— —
WIRING DIAGRAM
(Location)
(Electrical
Parts)
— —