Diagnostic aids 3-31
7526
Black Only Mode
This enables you to force the printer to always print color content in grayscale. Turning this setting On is
equivalent to setting Print Mode to Black Only; the printer will ignore any PJL or data stream commands that
attempt to change the Print Mode setting. If this setting is set to Off (default), then the printer will print color
content as normal.
Color Lock Out
Select On when printing for extended periods with only black toner. This saves the color toner cartridges (cyan,
magenta, and yellow) and photoconductor units from excessive wear. In addition to setting the values, the cyan,
magenta, and, yellow toner cartridges and their matching photoconductor units must be removed from the
printer. The default value is Off.
To initiate Color Lock Out:
1. Touch Color Lock Out from the Configuration Menu.
2. Touch the or arrows to select On.
3. Touch Submit.
Submitting Changes… is displayed.
4. Remove all color cartridges and color photoconductor units (cyan, yellow, and magenta). Leave the black
supplies only.
5. Turn the MFP off, and then on (POR).
Note: If the color supplies are left installed when the MFP returns to the normal menus, the MFP displays
Remove All Color Supplies.
Note: When you turn Color Lock Out Off (the default mode) after it has been On, at the next POR to normal
mode the printer will display 31 Missing or Defective <color> Cartridge. Replace the color cartridges and
color photoconductors.
Prt Quality Pages
To help isolate print quality problems, print the Print Quality Test Pages. The pages are formatted. The Printing
Quality Test Pages message appears, then the pages print. The message remains on the operator panel until
all the pages print.
To print the Print Quality Pages:
1. Touch Print Quality Pages from the Configuration Menu.
Print Quality Test Pages… is displayed.
Touch Back to return to the Configuration Menu.
The Print Quality Test Pages contain several pages. The first page which is a mixture of text and graphics. The
information includes values of the Quality Menu settings in Settings and printer and toner cartridge configuration
information. The remaining pages only contain graphics. For samples of the pages, see “Print quality test
pages (Prt Quality Pgs)” on page 3-12.
Reports
Menu Settings Page
The Menu Settings Page generates a list of Configuration Menu settings and the current values.
To print the Menu Settings Page:
1. Touch Reports from the Configuration Menu.
2. Touch Menu Settings Page.
To Next Page
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