General Troubleshooting 4-3
Diagnostic History (8500/8550) Displays a list of all recent diagnostic tests.
Enter Diagnostic Mode See "Service Diagnostics Mode Menu" on page 4-5 for a
complete explanation of each diagnostic routine.
Reset NVRAM Provides access to reset the printer back to its factory-
default settings and erase all network settings. If
possible, print the Configuration Page before resetting
NVRAM.
Power Saver Timeout Selects the Power Saver Timeout, the amount of time the
printer must be idle before changing to Power Saver low-
energy consumption mode, per ENERGY STAR\256
guidelines.
Reset Printer Resets all items in the Printer Controls menu to their
default values.
Head Adjust This is for manufacturing or engineering use only.
Adjust X-axis scale This is for manufacturing or engineering use only.
Drift Compensation This is for manufacturing or engineering use only.
Head-to-Drum Adjust This is for manufacturing or engineering use only.
Wiper adjust (8500) Adjusts the tension on the wiper blade (for engineering
use only).
Purge adjust (8500) When replacing a purge pump different than the
manufactured pump, you may need to adjust the amount
of pressure in the pump using this menu item.
Reset Ink Loader (8500) Resets the ink loader ink stick count.
Service Usage Profile Prints pages with detailed printer-usage information.
Print OCR Usage Profile Prints using a font optimized for FAX.
Engine Copy Count Displays engine copy count.
Head Serial Number Displays the printhead serial number.
Head Cal Date Displays the date the printhead was calibrated.
Head Version Displays the printhead version.
Engine Firmware Version Displays the engine firmware version.
2-Sided Printing Oil Chase Enables a chase page to follow a 2-sided printing job.
Envelope Oil Chase Enables a chase page to follow an envelope print job.
Center Image (8400) Centers the image by adjusting the margin (not
operational).
Exit Exits the Hidden Service Diagnostics Menu and returns
to the previous menu.
Menu Item Description
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