20 Most Recent HP LaserJet 5si Printer - Page 5 Questions & Answers

optical unit is defective: Reconnect the connectors of the laser driver pca (j501) and the dc controller pca (j108, j109). If the problem is not solved replace the product. Per the service manual

HP LaserJet... | Answered on Mar 01, 2018

P{lease visit the following link on the HP website for suggestions on how to fix this issue.
error E3 on my HP laserjet M1132 MFP printer

Good Luck!
Rich Lilja

HP LaserJet... | Answered on Feb 19, 2018

Please restate your answer in the form of a question.

HP LaserJet... | Answered on Jan 28, 2018

take printer outside of building
pull out toner cartridge and drum carerfully
Spray inside of printer to get rid of split extra toner with a can of compressed air - usually available from an electronic supply shops

Check the drum has no tone split on it .
Put drum and toner cartridge back into the printer

HP LaserJet... | Answered on Jan 26, 2018

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