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HP LaserJet 3050 Printer - Page 6 Questions & Answers
Printer showing initializing on the screen and not getting ready
Usually a failed formatter is the problem on smaller printers where they will not come to ready. Try disconnecting any data cables going from your computer to your printer and restart. If it comes to ready, you might have a corrupted print job stuck in the print spooler. If it does not come to ready when not connected to a computer then the formatter is done.
51.23
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 3200
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
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