17 January, 2003 SERVICE CALL CONDITIONS
4-7
Trouble-
shooting
4.2 SERVICE CALL CONDITIONS
4.2.1 SUMMARY
There are 2 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.
Turn the main switch off then on
before entering SP mode. Reset
the SC (set SP5-810 to 1), then
turn the main switch off then on
again.
B
Turning the operation switch or main
power switch off then on resets the SC.
Displayed on the operation panel. Re-
displayed if they occurred after the main
power switch is turned on again.
Turn the operation switch or
main power switch off and on.
All SCs are logged.
• The number of SC codes detected can be checked with SP7-902.
• Printing logging data (SP5-990-004) in SP mode can check the latest 10 SC
codes detected and total counters when the SC code is detected.
NOTE: 1) If the problem concerns electrical circuit boards, first disconnect then
reconnect the connectors before replacing the PCBs.
2) If the problem concerns a motor lock, first check the mechanical load
before replacing motors or sensors.
SC Classification
SC codes are classified by section as shown in the following table:
Class 1 Section SC Code Detailed section
1XX Scanning 190 - Unique for a specific model
200 - Polygon motor
220 - Synchronization control
230 - FGATE signal related
240 - LD control
260 - Magnification
2XX Laser exposure
280 - Unique for a specific model
300 - Charge
330 - Drum potential
350 - Development
3XX Image development 1
380 - Unique for a specific model
400 - Image transfer
420 - Paper separation
430 - Cleaning
440 - Around drum
460 - Unit
4XX Image development 2
480 - Others
500 - Paper feed
515 - Duplex
5XX Paper feed / Fusing
520 - Paper transport
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