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 4 of this manual. 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 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 message indicates a failure
for which the root cause is not obvious, use the 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 parts, such as stapler unit
and the formatter.
●
Troubleshooting the paper path 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 device.
●
Troubleshooting the paper transport provides information on how to troubleshoot problems with
media feeding incorrectly.
●
Image-formation troubleshooting suggests methods for solving print-quality problems.
●
Test pages provides information about how to print test pages to determine if the engine and the
formatter are functioning properly.
●
Image defects provide information about image defects and how to identify the root cause of the
problem.
●
Troubleshooting the interface provides techniques for isolating communication problems to the
device hardware, device configuration, network configuration, or software program.
●
Trougleshooting the control panel provides procedures for printing a menu map from the 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 device failures. This section includes
explanations of the device 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 device.
●
Engine resets provides information about how to perform engine resets.
ENWW Introduction 389
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