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General topic Questions
Toner cartridges
●
Is each toner cartridge installed correctly?
Transfer unit and fuser
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Are the transfer unit and fuser installed correctly?
Doors
●
Is the front door closed?
Condensation
●
Does condensation occur following a temperature change (particularly in
winter following cold storage)? If so, wipe affected parts dry or leave the
product on for 10 to 20 minutes.
●
Was a toner cartridge opened soon after being moved from a cold to a warm
room? If so, allow the toner cartridge to sit at room temperature for 1 to 2
hours.
Miscellaneous
●
Check for and remove any non-HP components (for example, toner cartridges
or memory modules) from the product.
●
Check to see whether the hardware or software configuration has changed or
the problem is not associated with any specific software.
●
Remove the product from the network and ensure that the failure is associated
with the product before beginning troubleshooting.
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For any print-quality issues, calibrate the product. See
Calibrate the product
on page 137
Power-on checks
When you turn on the product, if it does not make any sound or if the control-panel display is blank,
check the following items:
●
Verify that the product is plugged directly into an active electrical outlet that has the correct
voltage. Do not plug the product into a surge protector or power strip.
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Verify that the power button is in the on position.
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Verify that the formatter is seated correctly.
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Remove any HP Jetdirect or other devices, and then try to turn the product on again.
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Ensure that the control-panel display is connected.
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Check the two fuses on the power supply.
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If necessary, replace the power supply.
●
If necessary, replace the DC controller.
ENWW
Troubleshooting process
115