Dell P1500 Personal Mono Laser Printer - Manual (Page 79)

NOTE: After the tray is inserted, the metal plate springs back up
so the paper can feed into the printer.
Make sure the paper does not exceed the stack height
indicator.
Make sure the paper is under both corner bucklers (see
Loading paper ).
Remove the paper from the optional 250-sheet tray and fan
the paper.
The Jam light is still on, even though
you cleared the jam. Make sure you cleared all jams.
Press and release Continue, or open and close the printer
cover to restart the printer.
Make sure the toner cartridge is installed.