HP Original Cartridges
(The "X" size won't fit the M601)
Reliable Remanufactured Cartridges
Error Message 54.XX.YY Error for HP LaserJet M601, M602, M603 Series Printers.
HP Say:
54.XX.YY Error
Description
A sensor error has occurred.
Recommended action
54.00.03
Environmental sensor (TH3) failure
- Turn the product off, and then reconnect the connector (J63) on the DC controller PCA. Turn the product on.
- If the environment sensor has been removed or replaced, check the connector (J199) on the environment sensor and the connector (J63) on the DC controller PCA.
- If the error persists, replace the environment sensor assembly.
54.06.21
Primary laser/scanner beam detect abnormality
- Turn the product off, and then on.
- If the product has had parts removed or replace, check the connector (J93) on the DC controller PCA.
- If the error persists, replace the laser/scanner assembly.
Copyright G & J Huskinson & MindMachine Associates Ltd 2013, 2015. Some pictures derived from HP User and Service guides. These technical pages do not constitute an offer for sale; just our knowledge at the time of writing. See the catalog. Sales pages on this Web site use cookies to store user information. We also use Google Analytics to track site useage patterns.