HP Color LaserJet 3800 Printer series - Manual (Page 168)

Troubleshooting-information pages
From the printer control panel, you can print information pages that can help you diagnose printer
problems.
Page Description
Paper-path-test page The paper-path-test page is useful for testing the printer paper handling features. You can define the
paper path that you want to test by selecting the source and other available options.
1. Press Menu .
2. Press to highlight DIAGNOSTICS, and then press .
3. Press to highlight PAPER PATH TEST, and then press .
The message Performing... PAPER PATH TEST appears on the control-panel display until the
printer finishes the paper-path test. The printer returns to the Ready state after printing the paper-
path-test page.
Registration page The registration page prints a horizontal arrow and a vertical arrow that show how far from center an
image can be printed on the page. Set registration values for a tray to center images on the back and
front of a page. Setting the registration also allows edge-to-edge printing to be set to within
approximately 2 mm (0.08 inch) of all edges of the paper. Image placement varies slightly for each
tray. Perform the registration procedure for each tray.
1. Press Menu .
2. Press to highlight CONFIGURE DEVICE, and then press .
3. Press to highlight PRINT QUALITY, and then press .
4. Press to highlight SET REGISTRATION, and then press .
5. Press to highlight SOURCE, and then press .
6. Press or to highlight a tray, and then press .
7. Press to highlight PRINT TEST PAGE, and then press .
8. Follow the instructions on the printed page.
Event log The event log lists the printer events, including jams, service errors, and other conditions.
1. Press Menu .
2. Press to highlight DIAGNOSTICS, and then press .
3. Press to highlight PRINT EVENT LOG, and then press .
The message Printing... EVENT LOG appears on the control-panel display until the printer finishes
printing the event log. The printer returns to the Ready state after printing the event log.
Diagnostics page This page provides information about printer calibration, color density, and other parameters.
1. Press Menu .
2. Press to highlight DIAGNOSTICS, and then press .
3. Press to highlight PRINT DIAGNOSTICS PAGE, and then press .
Print-quality
troubleshooting page See Print-quality-troubleshooting pages .
154 Chapter 8 Problem solving ENWW