HP color laserjet 2550 series Manuale Di Servizio

The tray is not recognized in the printer software.

Configure the printer software to recognize the
tray.

If the printer does not pull paper from either tray,
the problem might be the paper.

●

Try a different type or brand of paper.

●

Make sure that you are using a high-quality
paper made for laser printers. See the
HP Color LaserJet 2550 Series Printer User
Guide for information about print-media
specifications or to order media.

The separation pad and the pick-up rollers might
be worn out.

Replace the separation pad and pick-up rollers.
See 

ordering information.

The printer experienced an error.

Check the control panel lights on the printer to
determine if an error exists.

If no control panel lights are on, the printer is not
receiving power.

1.

Check the power cable connection between
the printer and the power source.

2.

Check that the power switch is on.

3.

Check that the power source (the wall
outlet) is receiving power.

4.

If the problem persists, replace the high-
voltage power supply.

5.

If, after replacing the high-voltage power
supply, the problem persists, replace the dc
controller.

The printer might be in Manual Feed mode (the
Attention light is blinking and Go is light on).

Add media to tray 1 if it is empty. If media is

already in the tray, press 

 (Go).

The wrong printer was selected in the software.

●

In the Print or Printer Setup dialog box,
make sure that the HP color LaserJet 2550
series printer is selected as the printer.

A jam might be present.

Clear any jams. See 

.

The printer is on a network and is not receiving a
signal.

●

Disconnect the printer from the network and
attach it directly to a computer using a
parallel or USB cable.

●

Clear any stopped jobs from the print queue.

●

Print a job that you know works.

●

Reinstall the printing software.

The interface cable between the computer (or
network) and the printer is not connected
properly.

Disconnect and reconnect the interface cable.

ENWW

Resolving problems that did not generate messages