Diagnostics menu

The diagnostics menu allows you or a service representative to run tests that can help 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 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 will print a series of print quality

 

assessment pages that will help troubleshoot

 

many print quality problems.

DISABLE CARTRIDGE CHECK

This test allows you to print with one or more

 

cartridges removed so that you can diagnose

 

print cartridge-related problems.

PAPER PATH SENSORS

This item shows the values of the sensors.

 

Values are updated as paper passes each

 

sensor. Jobs can be initiated from the control

 

panel or sent from the computer.

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 allows a service representative to test

 

the paper path sensors and switches for correct

 

operation.

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 will

 

cause a jam that may need to be manually

 

removed. A service representative should

 

perform this test.

ENWW

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HP 3550 manual Diagnostics menu, Menu item Description