Samsung CLX 3305FW I am having different error messages if I try to copy anything.This makes the machine completely unusable. I get Door open, change toner, paper jam - different every time.

SOURCE: Samsung SF560 error message door open & jam, no toner.

I have put a new toner in and it says "[jam 1] or no cartridge" please help this is an office fax and desperately needs to be working.
Many thanks,
Adrian.

SOURCE: paper jam 1 - samsung clx 2160n

fuser needs replacing.

SOURCE: Constant Paper jams on CLX-3175FN

The fact that there appears to be no actual jam tells me that it is not picking up paper out of the tray. Try some alcohol on the pickup rollers, rubbing well. If that helps, replace these rollers.

SOURCE: Paper Jam Remove Toner message with constant

In the front (inside body) see the sensing feeler ( a piece conected to a microswitch) is free to move.
Sometimes when pull the paper with some force, the sensor become forced in their base.

Verifie if the sensor is moviming free..

SOURCE: samsung printer, transfer belt error message

Check on you drim uint the gears damaged.