HP_Laserjet 8150-8100 (Chapter 7) SM.pdf

Troubleshooting

Chapter contents

Troubleshooting Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . 574

Troubleshooting the Print System. . . . . . . . . . . . . . . . . . . . . . 582

Troubleshooting the Printer and Paper-handling Devices. . . . 594

Step 1 Power On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 594

Step 2 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 598

Step 3 Printer and Paper-Handling Devices Messages . 604

Step 4 Paper Path Troubleshooting . . . . . . . . . . . . . . . . 645

Step 5 Information Pages . . . . . . . . . . . . . . . . . . . . . . . . 651

Step 6 Image Quality. . . . . . . . . . . . . . . . . . . . . . . . . . . . 661

Self-Diagnostics on Paper-handling Devices . . . . . . . . . . . . . 681

Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 702

Troubleshooting the Copy Module . . . . . . . . . . . . . . . . . . . . . 717

Step 1 Power On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 718

Step 2 Display and Communication . . . . . . . . . . . . . . . . 719

Step 3 Error Messages and Problems . . . . . . . . . . . . . . 720

Step 4 Image Quality. . . . . . . . . . . . . . . . . . . . . . . . . . . . 727

Step 5 Paper Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 726

Testing the Copy Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . 730

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Chapter contents 573

Troubleshooting Process

The troubleshooting process is a systematic approach that addresses

the major problems first and then other problems as you identify the

causes for printer malfunctions and errors. If you know the cause of a

problem in the printer system, go directly to that area. Otherwise, use

the troubleshooting process diagrams starting on the next page. The

diagrams illustrate the major steps for troubleshooting the printing

system. In the diagrams starting on page 577, each heading depicts a

major troubleshooting step. A YES answer to the questions allows

you to proceed to the next major step.

A NO answer indicates that additional testing is needed. Proceed to

the referenced location and follow the directions for that area. After

completing the additional testing, proceed to the next major step.

574 Chapter 7 Troubleshooting

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To avoid replacing parts that are not broken, use figure 7-1 below to

isolate the problem.

Figure 7-1

Troubleshooting Process

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TroubleshootingProcess 575

See the flowcharts on the following pages for each of the components

of the troubleshooting process:

Printer System Troubleshooting Process (page 577)

Printer/Paper-Handling Troubleshooting Process (page 578)

Copy Module Troubleshooting Process (page 580)

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Printer System Troubleshooting Process

Figure 7-2

Print System Troubleshooting Process

1 Printer/Paper-Handling Troubleshooting Process (page 578)

2 Copy Module Troubleshooting Process (page 580)

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TroubleshootingProcess 577

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