Xerox WorkCentre Pro 412, Service Manual

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Maintenance & Troubleshooting
WorkCentre Pro 412
Launch Issue 7-5
August 2001
7-2-2 Test Mode
The test mode is used to test certain functions of the machine. The available tests are:
•User mode: Clean drum, Notify toner low
•tech mode: switch test, modem test, SRAM test, DRAM test, ROM test, Pattern test, Clear count, Answer On
CNG, Adjust shading, Flash upgrade.
To enter the Tech Mode:
1. Enter the Tech mode by pressing Menu, #, 1, 9, 3, 4. The letter “T” will appear in the top right of the dis-
play.
2. In Tech mode, press Menu, ‘Maintenance [System]’ is displayed on the LCD.
3. Press the Select key
4. Scroll to the options by pressing Up and Down navigation key repeatedly until the correct selection is
found.
5. Press the Select key to initiate the tech mode.
6. Perform step 1 to return to user mode.
• Cleaning DRUM
This procedure removes excess toner on the OPC drum.
1. Make sure that paper is loaded in the automatic feeder or document glass (platen).
2. Press Menu, -> Up or Down key -> Maintenance -> Select -> Up or Down key ->Clean Drum
3. Press ‘Select’.The machine automatically feeds a sheet of paper, and prints out. The excess toner on the
OPC drum surface is fused to the paper.
• Notify Toner Low
With this feature enabled, when the toner becomes low, the toner low information will be sent to the specified
contact point, for example, the service company. After you access this menu, select on, and when the LCD
prompts, enter the name and the number of the contact point, the customer’s FAX number, the model name,
and the serial number.
• Switch Test
This test checks the operation of the LCD display and the LED indicators that interface the switches on the
operation panel.
• Modem Test
This test causes the machine to generate a particular frequency to verify the operation of the modem and it’s
control circuits.