Chapter 2 Operation Of Diagnostic; Troubleshooting Overview; Chapter 1 Troubleshooting .............................................................................................1; Flow Of Troubleshooting - Dell 2135cn Service Manual

The troubleshooting procedures described herein assume the use of the Diag Tool.
However, the procedures can be performed without the Diag Tool as long as they
are carefully followed.

1. Troubleshooting Overview

To increase the efficiency of troubleshooting, ensure that preliminary checks should be made to
confirm the trouble status before proceeding to the Fault Isolation Procedure (FIP), Operation of
Diagnostic (Chapter 2), Wiring Diagrams (Chapter 7), and Principles of Operation (Chapter 6).

1.1 Flow of Troubleshooting

Flow of the troubleshooting is as follows:

1.2 Check Installation Status

Be sure to check the following items before starting the troubleshooting procedures.
1) The power supply voltage is within the specifications.
2) The power cord is free from breakage, short-circuit, open wire, or internal miswiring.
3) The Multi Function Printer is properly grounded.
4) The Multi Function Printer is not installed at a place subjected to high/low temperature, humidity,
and sudden temperature changes.
5) The Multi Function Printer is not installed at or near water facilities, humidifier, heating appliance,
fire, dust, or in airflow from air conditioner.
6) The Multi Function Printer is not installed in a place subjected to volatile or inflammable gas.
Version 2 2008.03.31
Check installation status
Check trouble status
Execute FIP
Check for recovery
If the problem persists
End
Operation of Diagnostic
Principles of Operation
Wiring Diagrams
Reference
information
Replace the Printer
1 - 1
Chapter 1 Troubleshooting