Introduction
The information in this troubleshooting chapter is presented with the assumption that the reader has a
basic understanding of the laser-printing process. Explanations of each mechanical assembly, printer
systems, and the basic theory of operation are provided in chapter 5. Do not perform any of these
troubleshooting processes without fully understanding the function of each mechanism.
This chapter contains the following sections:
●
Troubleshooting process includes a pre-troubleshooting checklist and a troubleshooting
flowchart. These tools contain information about common printer errors that can inhibit proper
operation or create print quality problems. These tools also include recommendations for solving
the cause of the error.
●
Control-panel messages explain each control panel-display message and suggest
recommendations for clearing the cause of each message. When the printer message indicates a
failure for which the root cause is not obvious, use the printer error troubleshooting section and the
troubleshooting tools section in this chapter to solve the problem.
●
Formatter light provides information about whether the formatter is working properly.
●
Replacement parts configuration provides information about replacing printer parts, such as
memory, compact flash, and the formatter.
●
Paper path troubleshooting provides techniques to solve feed problems. Explanations are
provided about print media checks, troubleshooting jams, and the differences between jams
caused by media and those caused by the printer.
●
Paper transport troubleshooting provides information on how to troubleshoot problems with
media feeding incorrectly.
●
Image-formation troubleshooting suggests methods for solving print quality problems.
●
Image defects provide information on image defects and how to identify the root cause of the
problem.
●
Interface troubleshooting provides techniques for isolating communication problems to the
printer hardware, printer configuration, network configuration, or software program.
●
Control panel troubleshooting provides procedures for printing a menu map from the printer
control panel. It also describes the control panel menus, the items within each menu, and the
possible values for the menu items.
●
Troubleshooting tools help isolate the cause of printer failures. This section includes explanations
of the printer configuration page and the event log.
●
Diagnostics provides instructions about how to gain access to and use the diagnostic tools that
are incorporated into the printer.
●
Test pages provides information on how to print test pages to determine if the engine and the
formatter are functioning properly.
●
Engine resets provides information on how to perform engine resets.
ENWW Introduction 191
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