Service Tests And Adjustments; Diagnostics Mode - Tektronix 1235N - Phaser Color Laser Printer Service Manual

Service Tests and
Adjustments

Diagnostics mode

To start the engine maintenance mode:
1. Turn off the printer.
2.
Press and hold the Menu (1) and Enter (4) keys.
3. Turn on the printer.
4.
When,
DIAGNOSTIC MODE xx.xx.xx
(xx.xx.xx is the ROM version), release the control panel keys.
5.
Press the Menu (1) key to enter the maintenance mode menu.
6. Press the Item (2) or (6) keys to scroll through the menu.
7.
Press the Enter (4) key to activate the displayed menu item.
Press the Enter (4) key again to discontinue a test in progress.
Use engine maintenance mode to test the printer sensors, test the media transport
system, test the imaging LED banks, and to reset NVRAM.
To exit engine maintenance mode, while
press Online (0). Alternately, you can turn the power off, wait a few seconds, and
then turn power back on.
is displayed on the control panel
DIAGNOSTIC MODE xx.xx
Service Guide
is displayed,
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