Xerox 7142, Service Manual

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5 Self-Diagnosis Mode RJ-901C/RJ-900C Maintenance Manual
5-4
5.1 Introduction
This chapter provides information on the self-diagnosis function.
The self-diagnosis function can adjust the printing accuracy, and check the condition of each major part. It is
used in the manufacturing process, adjustment, and maintenance.
This function is implemented in the system firmware. All functions are available from the operation panel.
TIP
"2.3 Part Names and Functions" p.2-3
5.2 Preparation
Before using the self-diagnosis function, the machine need to be ready to run the diagnosis menu.
5.2.1 Preparations on Machine
Before starting up the self-diagnosis function, perform the following preparations.
(1) Setting Printing Media
Set a roll media for adjustment.
NOTE
• In the self-diagnosis menu display status, the media type is automatically set to roll media.
• During adjustment, use coated paper for the media.
(2) Connecting Power Cable
Connect the power cable to the power inlet of the plotter and insert the power plug into the power outlet.
NOTE
Do not connect three or more power plugs to one outlet.
5.2.2
Starting Up
To use the self-diagnosis function, at first run the self-diagnosis menu on the operation panel.
The self-diagnosis menu is completely independent of the normal operation mode and self-diagnosis display
mode. To call up the self-diagnosis menu, follow the steps below.