In The Manual Tray; Inside The Machine - Dell 1135 Mono Laser User Manual

If the paper does not move when you pull, or if you do not see the paper in this area, check the fuser area
around the toner cartridge (See
Insert tray 1 back into the machine until it snaps into place. Printing automatically resumes.
4.

In the manual tray

If the paper is not feeding properly, pull the paper out of the machine.
1.
Open and close the front door to resume printing.
2.

Inside the machine

The fuser area is hot. Take care when removing paper from the machine.
Open the front door and pull the toner cartridge out, lightly pushing it down.
1.
Remove the jammed paper by gently pulling it straight out.
2.
Inside the machine).