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Entering Service Diagnostics - Xerox ColorQube 8570 Service Manual

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Table of Contents

Entering Service Diagnostics

Print Engine Tests: In general, Diagnostic testing is assumed to be done with the printer in a
"diagnostic configuration." This means the following applies:
Doors are closed unless instructed otherwise.
The print engine is thermally warm (at nominal printing temperatures).
All axis's are or have been moved to their HOME position (run MECH INIT function).
Trays are inserted and contain A/A4 media, unless instructed otherwise.
The tests may also be performed with the system operating at less than normal printing tem-
peratures, but may produce slightly less typical results.
NOTE: While the heaters are on, the Y-Axis is turning (to keep the Drum heating even), and
the Drum Fan may be active. The Exercise Menu -> Heaters -> All Heaters Off function dis-
ables thermal regulation if access to these areas is necessary. The background thermal regula-
tion is reactivated by the Exercise Menu -> Heaters -> All Heaters On function if the printer is
still warm enough. Turning off a single heater does NOT disable this function and the heater
may be turned back on following the next check test or reboot. The Electronics Module Fan is
always active.
Two options are available for entering Service Diagnostics.
Entering Service Diagnostics by Rebooting the Printer: This method performs a complete
check on the printer prior to entering Service Diagnostics.
Entering Service Diagnostics without Rebooting the Printer: This method does not provide
access to all test functions. Tests are listed numerically.
NOTE: Enter Service Diagnostics by rebooting the printer is recommended when troubleshoot-
ing the printer.
Xerox Internal Use Only - Revised, 3rd Revision
ColorQube 8570/8870 Service Manual
Entering Service Diagnostics by Rebooting the Printer
When the printer powers up in Diagnostic mode, the current Printhead temperature is mea-
sured. If Printhead reservoir temperature is greater than 110 degrees, thermal regulation is
restarted to keep the printer warm while Diagnostic tests are being run. This thermal regulation
is in addition to any test-specific initialization requirements. If possible, each test attempts to
leave the printer warm. If a failure is encountered, the heaters may be turned off. If the initial
temperature is cold, thermal regulation is not started.
1.
Turn the printer power off.
2.
Turn the printer power on.
3.
Press and hold the Back and Help (?) buttons simultaneously.
4.
Hold the buttons until the display reads Beginning Service Mode Initialization. Release
the buttons and the printer reboots into service mode with the Service Diagnostics menu
displayed.
Entering Service Diagnostics without Rebooting the Printer
1.
From the Control Panel menu, scroll down to Troubleshooting and press the OK button.
2.
Scroll down to Service Tools and press the OK button.
3.
With the cursor highlighted Printer Status Page, press both the Up and Down Arrow
buttons to display the Hidden Service Menu.
4.
Scroll down to Enter Diagnostic Mode and press the OK button.
5.
The printer reboots and enters Service Diagnostic mode.
October 2012
6-9
General Troubleshooting
Service Diagnostics

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Table of Contents

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