Cleaning the paper pick-up roller

If the paper pick-up roller is stained, the printer may not feed paper. In that case, clean the paper pick-up roller as follows:
1
Turn off the power switch and unplug the printer.
Graphic
2
Unplug the power cord and interface cable from the printer.
3
Pull the paper tray out of the printer.
Graphic
4
Dampen a soft cloth with lukewarm water and wipe the separator pad (1) in the paper tray with it.
Graphic
5
Wipe the two paper pick-up rollers (1) inside the printer.
Graphic
6
Put the paper tray back in the printer.
Graphic
7
Make sure that you have turned off the power switch, and then connect the power cord and interface cable to the printer.
8
Plug in the power cord and turn on the power switch of the printer.