General topic Questions
Toner cartridges
●
Is each toner cartridge installed correctly?
Transfer unit and fuser
●
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.
●
For any print-quality issues, calibrate the product. See
Calibrate the product
on page 123
104 Chapter 2 Solve problems ENWW
For mor information on LaserJet Pro 300, Pro 400 go to www.printersupplies.com
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