I've been having problems with a Canon IRA C9075 PRO consistently giving me an "NG!" return code when running COPIER > FUNCTION > INSTALL > INIT-ITB. Left in this state, the unit then logically enough gives a E075-0002 after a few thousand prints. The unit started giving this problem after a long distance relocation. No other error codes have been encountered. There has been a few jams, but they've been after the image transfer.
What I've tried:
- The unit is level, as far as I can tell (level placed on glass of the imager, didn't try a marble)
- The ITB is under all 6 of the support sheets and is not covering the ITB position flag
- The ITB is oriented with the white sheet towards the back of the unit. The white sheet is also fairly clean and the ITB HP Sensor (PS5) looks unobstructed.
- re-centering the ITB on the rollers results again in an INIT-ITB failure. The sequence takes approximately the whole 3 minutes it's listed as being supposed to take.
- when reinstalling the ITB, the ITB tension lever and stopper cam act in unison and don't seem to provide any resistance other than that provided by the tension springs.
- I've tried replacing the ITB Displacement Sensor (PS2) w/ flag with no change in results.
- I've tried replacing the ITB with no change in results.
I can't seem to find any reference as to where I might be able to see the output values of the PS2, PS3 or PS5 sensors (service manual says nothing? on screen info has entries for them but indicate no relevant bits?). Similarly, I haven't found a timing diagram for the INIT-ITB procedure or any related troubleshooting docs.
Next on my list of things to try was possibly replacing the ITB HP Sensor (PS5), though I'd kind of expect the INIT-ITB to fail faster, or other errors to show up if the unit couldn't detect a full rotation of the ITB.
Similarly, I haven't tried looking into the ITB Steering Drive Motor (M4) or it's HP Sensor (PS3) as I'd assume I'd get an E075-0000 if there were an error there.
Any suggestions to resolve this?
What I've tried:
- The unit is level, as far as I can tell (level placed on glass of the imager, didn't try a marble)
- The ITB is under all 6 of the support sheets and is not covering the ITB position flag
- The ITB is oriented with the white sheet towards the back of the unit. The white sheet is also fairly clean and the ITB HP Sensor (PS5) looks unobstructed.
- re-centering the ITB on the rollers results again in an INIT-ITB failure. The sequence takes approximately the whole 3 minutes it's listed as being supposed to take.
- when reinstalling the ITB, the ITB tension lever and stopper cam act in unison and don't seem to provide any resistance other than that provided by the tension springs.
- I've tried replacing the ITB Displacement Sensor (PS2) w/ flag with no change in results.
- I've tried replacing the ITB with no change in results.
I can't seem to find any reference as to where I might be able to see the output values of the PS2, PS3 or PS5 sensors (service manual says nothing? on screen info has entries for them but indicate no relevant bits?). Similarly, I haven't found a timing diagram for the INIT-ITB procedure or any related troubleshooting docs.
Next on my list of things to try was possibly replacing the ITB HP Sensor (PS5), though I'd kind of expect the INIT-ITB to fail faster, or other errors to show up if the unit couldn't detect a full rotation of the ITB.
Similarly, I haven't tried looking into the ITB Steering Drive Motor (M4) or it's HP Sensor (PS3) as I'd assume I'd get an E075-0000 if there were an error there.
Any suggestions to resolve this?
Comment