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Diagnostics from the Control Panel
This section provides information about performing the printer diagnostics.
Printer display menu
Control Panel Fuel Gauges used to determine if cyan, magenta, yellow, or the black print
cartridge is in a low or out condition.
Diagnostics test menu
Print Event Log
This item prints an event log that displays the last 50 entries in the printer’s event log,
starting with the most recent.
Show Event Log
This item displays on the control panel the last 50 events in the event log, starting with the
most recent.
PQ Troubleshooting
This item prints a series of print quality assessment pages that help troubleshoot print quality
problems.
Disable Cartridge Check – special mode test
This diagnostic test allows you to print internal pages or sends an external job to the printer
with one or more print cartridges removed or swapped. Because the cartridges are not
keyed, the diagnostic test can be run with one to four cartridges removed or swapped to
another location. Consumable supply errors are ignored while in this mode. Once in this
mode, you can navigate the menus and print internal pages or send an external print job to
the printer. This diagnostic test can be used to isolate print quality problems related to
individual cartridges and to isolate individual cartridge problems such as noise.
NOTE
Do not remove or swap cartridges before entering the disable cartridge check diagnostic.
After entering the test, you can remove or swap cartridges.
While performing the disable cartridge check, you can navigate the menus and print internal
pages as desired from the control panel. Use the button to access the menus as you
normally would. You can also send external print jobs to the printer.
To exit this diagnostic, press the S
TOP
button and then select EXIT diagnostics.
Paper Path Sensors – special mode test
This test allows you to test the printer’s sensors for proper operation. Each sensor is
represented by a letter, as indicated in the table below. A one below the letter on the display
indicates paper is present. This test allows you to print internal pages or send an external
job to the printer. This test will also test the new Media sensor (PS5) which senses OHT,
Gloss, Gloss Film, and Plain paper.
Manual Sensor Test – special mode test
This test allows you to manually test paper path sensors and the door open switch. Each
sensor is represented by a letter, as indicated in the tables below.
436 Chapter 7 Troubleshooting ENWW