Diagnostic Mode - Xerox WorkCentre 5020 Service Documentation

Diagnostic Mode

This mode is used by service engineers to solve problems in the field and is intended to iden-
tify the fault areas in terms of replaceable components. In the Diagnostic Mode, the following
diagnostic functions can be run from the Control Panel:
Function
Parts Diagnostics
Program Function
NVM Check and Change of Settings
Initial Issue
WorkCentre 5020
Input Diagnostics This can be used to check the status of the various sensors in the engine, IIT, and Trays. Refer to
Input Diagnostics for the sensors that can be checked and their Chain Function Codes.
Output Diagnostics This can be used to operate the various motors, solenoids and clutches in the engine, IIT, and
Trays. Refer to Output Diagnostics for the components that can be operated and their Chain
Function Codes.
Initialization This can be used to initialize the NVM, Counters, and Error Histories. Refer to Program Function
for the items that can be initialized.
Test Print This can be used to generate an independent test print from the MCU or through the Controller.
Refer to Program Function.
Check This can be used to check the total print counter, serial/product number, SW version, Error
Histories, etc. Refer to Program Function.
Checking the NVM value This is used to check and change the values of the various parameters in NVM.
and changing the settings
July, 2007
6-3
Overview
Diagnostic Mode
General Procedures