Ricoh G148, Service Manual

Page: 249 / 537

Service Mode
Service Call Conditions
There are 4 levels of service call conditions.
Level Definition Reset Procedure
A
Fusing unit SCs displayed on the operation panel. The
machine is disabled. The user cannot reset the sc. Enter SP mode, do SP5810, then
turn the power switch off/on.
B
SCs that disable only the features that use the defective
item. Although these SCs are not shown to the user under
normal conditions, they are displayed on the operation
panel only when the defective feature is selected.
Turn the power switch off/on.
C
SCs that are not shown on the operation panel. They are
internally logged.
Logging only
D
Cycling the power switch off/on resets SCs Displayed
on the operation panel. These are re-displayed if the
error occurs again.
Turn the power switch off/on.
SC Code Descriptions
• If a problem concerns electrical circuit boards, always disconnect then reconnect the connectors
before replacing the PCBs.
• If a motor lock error occurs, first check the mechanical load before replacing motors or sensors.
• When a Level “A” or “B” SC occurs while in an SP mode, the display does not display the SC number.
If this occurs, check the SC number after leaving the SP mode.
SC300: Image Development System (1)
300 D
Charge corona output error
The feedback voltage from the charge
corona unit is detected too high 9 times.
• Charge corona power pack defective
• Charge corona harness disconnected
• Poor charge corona unit connection
4. Troubleshooting
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