Gestetner G060 Service Manual page 491

4.3 SERVICE CALL CONDITIONS
4.3.1 SUMMARY
There are 2 levels of service call conditions.
Level
Fusing unit SCs displayed on the
operation panel. The machine is disabled.
A The user cannot reset the SC.
Turning the operation switch or main
power switch off then on resets the SC.
B Displayed on the operation panel. Re-
displayed if they occurred after the main
power switch is turned on again.
All SCs are logged.
• The number of SC codes detected can be checked with SP7-902.
• Printing the logging data (SP5-990-4) in SP mode can check the last 10 SC
codes detected and total counters when the SC code is detected.
NOTE: 1) If the problem is related to electrical circuit boards, first disconnect, then
reconnect the connectors before replacing the PCBs.
2) If the problem is related to 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
1XX Scanning
2XX Laser exposure
3XX Image development 1
4XX Image development 2
5XX Paper feed / Fusing
SM
Definition
Section SC Code
190 -
200 -
220 -
230 -
240 -
260 -
280 -
300 -
330 -
350 -
380 -
400 -
420 -
430 -
440 -
460 -
480 -
500 -
515 -
520 -
4-9
SERVICE CALL CONDITIONS
Reset Procedure
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.
Turn the operation switch or
main power switch off and on.
Detailed section
Unique for a specific model
Polygon motor
Synchronization control
FGATE signal related
LD control
Magnification
Unique for a specific model
Charge
Drum potential
Development
Unique for a specific model
Image transfer
Paper separation
Cleaning
Around drum
Unit
Others
Paper feed
Duplex
Paper transport
G570