HP Original Cartridges
(The "X" size won't fit the M601)
Reliable Remanufactured Cartridges
Error Message Receiving Upgrade for HP LaserJet M601, M602, M603 Series Printers.
HP Say:
Receiving Upgrade
Description
The product is receiving a firmware upgrade.
Recommended action
Do not turn the product off until it reaches the Ready state.
--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.