S Class 2 cutter Service manual
Error codes 6-3
6.5 Unable to lower OPOS
Cause:
The encoder which speeds up up/down movement does not function.
Action:
1. Check whether the knife holder goes up and down smoothly when the power is
switched off, also check whether OPOS lowers when knife is pulled up. If not,
something is wrong with the head. Replace the head or check the mechanical
parts of the head.
2. Check the connection cable, which runs from the head to the PCB.
3. Up/down encoder is not working, replace encoder
4. Check the machine with another head.
5. Replace the flat cable which runs from the head to the PCB.
6. Replace the main PCB.
6.6 OPOS sensing errors
Marker distance doesn't match with theoretical value,
Markers not sensed properly,
Marker not found,
Loading media failed,
Markers exceed sheet size,
Cause:
OPOS does not sense markers, or senses values with which it cannot work.
Action:
1. Check the OPOS parameters and compare them to the printout. Set parameters
correct.
2. Check whether there is dust on the sensor tip.
3. Set media calibration OPOS to default (30) and do OPOS test that is on the manual
CD.
4. Check the connection cable, which runs from the head to the PCB.
5. Check the machine with another head (OPOS).
6. Check reflection values with OPOS monitor.
7. Check the flat cable going from the head to the PCB.
8. Should there still be problems, change OPOS.
9. Replace the flat cable which runs from the head to the PCB.
10. Replace the main PCB.
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