Troubleshooting; Service Call; Service Call Conditions - Ricoh TH-C1b Service Manual

B156/b220
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10 February 2005

4. TROUBLESHOOTING

4.1 SERVICE CALL

4.1.1 SERVICE CALL CONDITIONS

Level
Fusing unit SCs displayed on the operation
panel. The machine is disabled. The user
A
cannot reset the SC.
SCs to disable only the features that use the
defective item. Although these SCs are not
B
shown to the user under normal conditions,
they are displayed on the operation panel only
when the defective feature is selected.
SCs that are not shown on the operation
C
panel. They are internally logged.
The SC is displayed on the operation panel.
Turning the operation switch or main power
D
switch off then on resets the SC. The SC is
redisplayed if it occurs after the main power
switch is turned on again.
NOTE: 1) All SCs are logged.
2) When an electrical circuit board has a problem, check the connections
before replacing the PCBs.
3) When a motor has a problem, check the mechanical load before
replacing the motor or sensor.
When a Level "D" SC code occurs
A screen opens on the operation panel to tell the user that 1) an error occurred, 2) the job
that the machine does at that time will be erased, and 3) the machine will reboot
automatically after approximately 30 seconds.
The user can: 1) stop until the machine reboots automatically after a short time, or 2) touch
"Reset" on the screen to reset the machine immediately, and go back to the copy screen.
If the operator does not touch "Reset", the next message tells the user that 1) the machine
reset automatically and 2) the previous job was lost and must be done again. After the user
reads the message, the user touches "Confirm" on the screen. The next screen shows the
number and title of the SC code, and stops until the user turns the machine off and on.
If the operator touches "Reset" to bypass the 30-second interval for the machine to reboot,
the machine reboots immediately and the operation panel displays the copy screen.
Important
Do not try to use the operation panel during an automatic reboot.
If the Remote Service System is used, the SC code is sent immediately to the
Service Center
Definition
4-1
SERVICE CALL
Reset Procedure
Turn the main power switch off
then on before entering SP mode.
Reset the SC (push "EXECUTE"
with SP5-810), then turn the main
switch off then on again.
Turn the main power switch off
and on.
Logging only
Turn the main power switch off
and on.

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