Solution

The priority input tray is not in place. The priority input tray is not in place. Toner smears appear on the printed page. The print density setting is set too high. Decrease the amount of background shading through the device configuration utility. Change the media to a lower basis weight. Very low humidity can increase the amount of background shading. Move the printer to a different location, or decrease the background shading through the device configuration utility. The toner cartridge...

ECU pan

Remove the left side, back, and right side covers (see pages 80 through 86). 1 Unplug the three spade connectors (callout 1). 2 Disconnect the motor cable connector (callout 2) on the side of the motor. 3 Unplug the fuser cable connector (callout 3) by pressing and releasing the tab on the back of the connector. 4 Unplug all other cable connectors (callout 4) from the ECU. Figure 64. Removing the ECU pan (1 of 4) Figure 64. Removing the ECU pan (1 of 4) 5 Unplug the flat flexible cable from the...

To stop a continuous selftest page

Product Name HP LaserJet 1220 Formatter Number Product Serial Number CHBB401104 Service ID 10303 Firmware Datecode 20001023 PS Wait Timeout 300 seconds PCL (19990105) PCLXL (19990105) PS (19990105) DIMM Slot 1 Side 1 4 Mbyte ROM DIMM Total Pages Printed 65 Pages Jammed In Printer 1 Pages Mispicked In Printer_ 1 Total Memory 8 Mbytes Available Memory 5.20 Mbytes These fields are only visible with the optional copier scanner installed or with the HP LaserJet 1220. Default Copy Quality Default...

Basic troubleshooting

A Does the printer turn 1 on successfully When the product is connected to a grounded power source, the printer motor should rotate for approximately five 1. Verify that the product is plugged in. 2. Verify that the power cable is functional and that the power switch is on (220v only). 3. Verify that FU102 on the ECU is not open. 4. If all of these conditions are correct, replace the ECU. 1. Verify that the toner cartridge is present. (See Toner cartridge on page 78 for more information.) 2....

Formatter

2 If the optional copier scanner assembly is attached to the printer, disconnect the copier scanner cable (callout 1) from the formatter. 3 Disconnect the two flat flexible cables (callout 2) from the zero insertion force (ZIF) connectors on the formatter. 4 Unplug the laser scanner cable (callout 3) and the control panel cable (callout 4) from the formatter. Figure 41. Removing the formatter (1 of 2) Figure 41. Removing the formatter (1 of 2) 5 Remove five screws (callout 1). 6 Rotate the...