Hi Guys help appreciate. I have a Bizhub c550 that has a strange fault .It is configured with the 2 extra cassettes at the bottom so it has 4 identical paper trays all using A4 plain paper.
The machine randomly changes sometimes 1 sometimes 2 and sometimes all 4 paper trays to plain paper+ which is heavier stock.
I change the paper back to A4 Plain in change tray settings and its ok for sometimes a few minutes sometimes a few hours and sometimes for a few days.
Then randomly the mc wont print because driver is set to print to plain paper and when you go into control panel its changed 1 2 0r 3 0r 4 trays to plain paper +
I have watched it carefully and it can change anytime if you change functions and scan to e mail then go back into copy mode they have changed.
Sometimes if you wake up from sleep mode its changed other times if you open the tray and close it it changes.
It also shows a question mark in the paper tray icon on the screen when it has changed instead of saying A4 it shows a question mark
the Firmware is at the latest level N4.
I have exactly the same machine at the side of this and I have changed the paper trays over ruling that out
I have been through all the settings in the paper tray settings on both machines comparing they are set the same to auto detect paper size etc and they are both the same but one machine is fine and the other has this issue
Please any suggestions welcome
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