Canon imageRUNNER 2270 Service Manual page 561

- Check to see that the cassette is correctly fitted. Check to see that the paper size is correctly
set. Try replacing with a fault-free cassette to see if the problem is corrected.
- Check to see that the movement of the holding plate of the cassette is normal and the plate
is free of deformation.
- Check to see that the side guide plate and the rear guide plate of the cassette are fitted
correctly.
- Check to see if the switch of the cassette heater is turned on (only if a cassette heater is
mounted).
Service Mode
- Check to see that the various adjustment settings of the CCD are as indicated on the service
label.
(COPIER>ADJUST>CCD>all items)
- Check to see if registration adjustment is executed.
(COPIER>ADJUST>FEED>ADJ>REGIST)
- Check to see if the image read start position adjustment is correct.
(COPIER>ADJUST>ADJ-XY>ADJ-X/ADJ-Y)
- Check to see if the setting of ADJUST/OPTION is identical to that indicated on the service
label.
- Check to see if all errors have been reset.
(COPIER>FUNCTION>CLEAR-ERR)
General
- Check to see if the power plug is securely connected.
- Check to see if the power outlet provides a specific level of AC voltage.
- Check to see that that the sensors, clutches, motors, and solenoids are operating normally
and all connectors are connected securely. (Be sure to check the power supply and signal
routes by referring to the general circuit diagram.)
- Check to see that the leakage breaker and circuit breaker are operating normally.
- Check to see that there is no biting of wires and loosening of screws.
- Check to see that all external panels and covers have been correctly fitted.
- Check to see that the main power switch and the control panel power switch are turned on.
- Check to see that the power and signal cables are correctly routed.
- Check to see that the operation of the cover switch is normal.
- Check to see that none of the fuses on the PCBs have an open circuit.
Chapter 14
14-3