I am facing problem when i try to print a scaned docuemt through my printer, it is not clear and it printing with missing lines and characters with dim colors. i really appreciate if someone can help me for this. thanks
I was also getting the error Calibration error Color Plane Registration, code 54.14.00.
The symptoms were the magenta was out of alignment and it would not calibrate.
I could tell it was not the toner by disabling the cartridge check and swapping toners, printing the diagnostics page.
The fix for me was to clean the color plane registration sensor. Not an easy task.
For removal see M750 service manual p.135. Requires phillips head screwdriver and a custom bent paperclip to get the springs back on. In the instructions I was able to remove the sensor without completely disconnecting the paper pickup assembly. (Left 4 wires of the paper pickup assembly connected and just moved this out of the way.)
Once the sensor is off you'll notice two small windows on either side revealed by pushing some white tabs. Mine had some toner on the sensors which was the issue. Cleaned those, hooked it all back up and the diagnostics page looked good as new.
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