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HP Color LaserJet Enterprise CP4020/CP4520 Series Printer - Solve performance problems

Solve performance problems

Problem
Cause
Solution
Pages print but are totally blank.
The document might contain blank pages.
Check the document that you are printing to see if content appears on all of the pages.
The product might be malfunctioning.
To check the product, print a Configuration page.
All of the print cartridges might be very low on toner.
Replace the toner cartridges if a SUPPLIES VERY LOW message is displayed.
Pages print very slowly.
Heavier paper types can slow the print job.
Print on a different type of paper. Proper fusing may require a slower print speed to ensure the best print quality.
Complex pages can print slowly.
Simplify the page.
Pages did not print.
The product might not be pulling paper correctly.
Make sure paper is loaded in the tray correctly.
The paper is jamming in the product.
Clear the jam.
The USB cable might be defective or incorrectly connected.
  • Disconnect the USB cable at both ends and reconnect it.

  • Try printing a job that has printed in the past.

  • Try using a different USB cable.

Other devices are running on your computer.
The product might not share a USB port. If you have an external hard drive or network switchbox that is connected to the same port as the product, the other device might be interfering. To connect and use the product, you must disconnect the other device or you must use two USB ports on the computer.

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