HP Laserjet 4, 4 Plus, and 5 cassette pickup roller
installation
** Note: The maintenance kit installation procedures
are identical for the laserjet 4, 4M, 4 Plus, 4M Plus, 5, 5M, 5N.
**
Installing
the cassette pick-up roller.
Remove the toner cartridge and the lower tray. Turn the printer
on its side so you can access the bottom of the printer. The roller
is circled in the picture below. Squeeze the two tabs and pull the
roller off the shaft. To install the new roller, rotate it on the
shaft until it is alligned and clicks into place.