Service menu

Use the control-panel Service menu to troubleshoot device problems. Restoring the factory-set defaults Restoring the factory-set defaults returns all of the settings to the factory defaults, and it also clears the fax header name and phone number. CAUTION This procedure clears fax numbers and names that are associated with one-touch keys and speed-dial codes, and deletes any pages that are stored in the memory. The procedure then automatically restarts the device. 1 On the device control panel,...

Removing the density sensor and topofpage sensor

1 Remove the upper multipurpose cover (see Removing the upper multipurpose cover). 2 Press the tab (shown in Figure 5-46 Remove the density sensor cover) on the sensor cover to release the cover, and then lift the cover up and away from the device. Figure 5-46 Remove the density sensor cover Figure 5-46 Remove the density sensor cover 3 Unplug one connector (callout 2). 4 Remove the two screws (callout 3). 5 Lift the density sensor straight up to remove it from the device. 6 Unplug one...

Heating element test

Paper passes between the heating element and a soft pressure roller to fuse toner to the paper. 1 Unplug the device for at least ten minutes, and then remove the fuser. See Replacing the fuser assembly. 296 Chapter 6 Troubleshooting ENWW 2 Measure the fuser heating element resistance. NOTE Normal resistance is 14 ohms + - 10 ohms for the 110 V device and 50 ohms 3 Measure the thermistor resistance. Figure 6-3 Measure the thermistor resistance If no resistance is measured, replace the fuser. 298...

Enginetest page

The engine-test page is printed when you perform an engine test. See Engine test. Error log A small error log appears on the Configuration page (see Configuration page). However, a more detailed report is available from the secondary service menu. 1 Make sure that the control-panel display reads Ready. 4 Use the < or > button to select Service Reports, and then press Enter. 5 Use the < or > button to select Error Report, and then press Enter. The device prints an error log that shows...

Alert and warning messages

Alert and warning messages appear temporarily and might require the user to acknowledge the message by pressing Enter to resume or by pressing Cancel to cancel the job. With certain warnings, the job might not complete or the print quality might be affected. If the alert or warning message is related to printing and the auto-continue feature is on, the device will attempt to resume the printing job after the warning has appeared for 10 seconds without acknowledgement. Table 6-2 Alert and...

Enww

Envelope Envelope Envelopes with double Envelopes with adhesive strips or Hewlett-Packard limited warranty Print Cartridge and Imaging Drum Limited Warranty Print-cartridge Refilled print HP LaserJet printing HP Printing Supplies Returns and Recycling Program Regulatory FCC Requirements (United Telephone Consumer Protection Act (United EU statement for telecom New Zealand telecom IC CS-03 Declarations of Declaration of Declaration of Country- region-specific safety Laser safety Canadian DOC...

Aligning the carousel gears

Make sure that the gears in the print-cartridge carousel are aligned correctly before placing the carousel back into the device. 1 Rotate the carousel so that the marker for the yellow print cartridge faces the front of the device. 2 Examine the gears two marks on the smaller gear should line up with the single mark on the larger gear (see the detail of the gears in Figure 5-83 Reinstall the print-cartridge carousel). NOTE The single mark on the larger gear is adjacent to the slot for the black...

Removing the ADF separation pad

NOTE Hewlett-Packard recommends also replacing the pickup-roller assembly when you 130 Chapter 5 Removal and replacement ENWW 2 Use a number 8 torx driver to remove the two screws (callout 1) that secure the ADF separation pad. Figure 5-14 Remove the ADF separation pad (2 of 2) Figure 5-14 Remove the ADF separation pad (2 of 2) 3 Pull gently on the rubber ADF separation pad to remove it . 4 After replacing the ADF separation pad, run a copy-quality test (see Test 2 (copy-quality test)).

Print quality problems

Occasionally, you might encounter problems with print quality. The information in the following sections helps you identify and resolve these issues. jjpj NOTE If you are having copy problems, see Copy problems. Improving print quality Use the print-quality settings to prevent print-quality problems. Understanding print-quality settings Print-quality settings affect how light or dark the print is on the page and the style in which the graphics are printed. You can also use the print-quality...

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Envelopes with adhesive strips or flaps Envelopes with a peel-off adhesive strip or with more than one flap that folds over to seal must use adhesives that are compatible with the heat and pressure in the device. The extra flaps and strips might cause wrinkling, creasing, or even jams and might damage the fuser. Select the type of label that you are using from the Print dialog box or the printer driver. 28 Chapter 1 Product information ENWW CAUTION To avoid damaging the device, use only labels...