Service Call Conditions - Ricoh B286 Service Manual

4. TROUBLESHOOTING

4.1 SERVICE CALL CONDITIONS

There are 4 levels of service call conditions
Level
Fusing unit SC codes shown on the operation
A panel. The machine is disabled. The user
cannot reset the SC.
These SC codes disable only the features that
use the defective item. The user does not see
B these SC codes in usual conditions. But, they
are shown on the operation panel when the
defective feature is used.
SC codes that are not shown on the operation
C
panel. They are recorded internally.
These SC codes are shown on the operation
panel. To reset these SC codes, turn the
D operation switch or main power switch off and
on. These SC codes are shown again if the
error occurs again.
Preliminary Instructions
! If the problem is in an electrical circuit board, disconnect then connect the board
connectors again before you replace the PCB.
If the problem is a motor lock, check the mechanical load before you replace a motor
!
or sensor.
! When a Level A or Level B SC occurs while the machine is in the SP mode, the SC
number will not be shown. If this occurs, check the SC number after the machine goes
out from the SP mode. This does not include Level B codes.
! Many SC codes contain more than one level (SC303-1, SC303-2, SC303-3, and
others). Some SC codes can show a "-1," even if there is only one level.
SM
Definition
4-1
Service Call Conditions
Reset Procedure
Go into the SP mode. Cycle the
machine off/on with the main
power switch.
Cycle the machine off/on with
the main power switch.
Recorded only.
Set the operation switch or the
main power switch to "off" then
to "on."
B286/B289