Olivetti PR2 PLUS Service Manual page 74

If calibration fails, the faulty photosensor will be indicated by the configurations of the LEDs. Pressing one the
console button highlights any other faulty photosensors.
Breakdown of photosensor n. 1 Front paper alignment.
Breakdown of photosensor n. 3 Front paper alignment.
Breakdown of photosensor n. 2 Front paper alignment.
Breakdown of photosensor n. 4 Front paper alignment.
Breakdown of photosensor n. 1 Front paper present.
Breakdown of photosensor n. 2 Front paper present.
Breakdown of printhead photosensor with carriage reset function.
Breakdown of printhead photosensor with paper border reading
function.
WARNING: if calibration is not completed correctly, it will not be possible to make the other
calibrations or measurements. In this case, switch off the printer and retry the operation.
If calibration continues to give problems, carry out the procedure for cleaning or
replacing the defective photosensor(s) as indicated in the section
CLEANING / REPLACING THE PHOTOSENSORS" on page 6 -
4-20 Service Manual
"PROCEDURE FOR
2.
XZAC4219-05