HP 4700n HP Color LaserJet 4700 - User Guide - Page 79

Diagnostics menu - service manual

Page 79 highlights

Diagnostics menu The diagnostics menu allows you to run tests that can help you identify and solve problems with the printer. Menu item PRINT EVENT LOG SHOW EVENT LOG PQ TROUBLESHOOTING PRINT DIAGNOSTICS PAGE DISABLE CARTRIDGE CHECK Paper Path SENSOR TEST PAPER PATH TEST MANUAL SENSOR TEST MANUAL SENSOR TEST 2 COMPONENT TEST PRINT/STOP TEST COLOR BAND TEST Description This item will print an event log that will display the last 50 entries in the printer's event log, starting with the most recent. This item displays the last 50 events on the control panel display, starting with the most recent. This item prints a series of 8 pages that include instructions, pages for each color, demo page, and configuration page. These pages can help isolate print quality problems. This item allows you to print a page that can assist in diagnosing printer problems. This item allows you to remove a print cartridge to help determine which cartridge is the source of a problem. This item performs a test on each of the printer's sensors to determine if they are working correctly and displays the status of each sensor. This item is useful for testing the paper handling features of the printer, such as the configuration of the trays. This item performs tests to determine whether the paper path sensors are operating correctly. This item performs tests to determine whether the paper path sensors are operating correctly. This item will activate individual parts independently to isolate noise, leaking, and other hardware issues. This item isolates print quality faults more accurately by stopping the printer in mid-print cycle. Stopping the printer in mid-print cycle allows you to see where the image begins to degrade. Stopping the printer in mid-print cycle will cause a jam that may need to be manually removed. A service representative should perform this test. Use this page to print a color band test page that is used to identify arcing in the high-voltage power supply. ENWW Diagnostics menu 63

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Diagnostics menu
The diagnostics menu allows you to run tests that can help you identify and solve problems with the
printer.
Menu item
Description
PRINT EVENT LOG
This item will print an event log that will display the last 50 entries in the
printer’s event log, starting with the most recent.
SHOW EVENT LOG
This item displays the last 50 events on the control panel display, starting with
the most recent.
PQ TROUBLESHOOTING
This item prints a series of 8 pages that include instructions, pages for each
color, demo page, and configuration page. These pages can help isolate print
quality problems.
PRINT DIAGNOSTICS PAGE
This item allows you to print a page that can assist in diagnosing printer
problems.
DISABLE CARTRIDGE CHECK
This item allows you to remove a print cartridge to help determine which
cartridge is the source of a problem.
Paper Path
SENSOR TEST
This item performs a test on each of the printer’s sensors to determine if they
are working correctly and displays the status of each sensor.
PAPER PATH TEST
This item is useful for testing the paper handling features of the printer, such
as the configuration of the trays.
MANUAL SENSOR TEST
This item performs tests to determine whether the paper path sensors are
operating correctly.
MANUAL SENSOR TEST 2
This item performs tests to determine whether the paper path sensors are
operating correctly.
COMPONENT TEST
This item will activate individual parts independently to isolate noise, leaking,
and other hardware issues.
PRINT/STOP TEST
This item isolates print quality faults more accurately by stopping the printer
in mid-print cycle. Stopping the printer in mid-print cycle allows you to see
where the image begins to degrade. Stopping the printer in mid-print cycle
will cause a jam that may need to be manually removed. A service
representative should perform this test.
COLOR BAND TEST
Use this page to print a color band test page that is used to identify arcing in
the high-voltage power supply.
ENWW
Diagnostics menu
63