There are minimum firmware requirements for HP devices.
LaserJet M5035 MFP: 48.171.5
LaserJet M5039 MFP: 48.171.5
LaserJet M3035 MFP: 48.171.5
LaserJet M4345 MFP: 48.171.5
LaserJet M4349 MFP: 48.171.5
Color LaserJet CM4730 MFP: 50.151.0
LaserJet M5035 MFP
LaserJet M9050 MFP: 51.121.2
LaserJet M9040 MFP: 51.121.2
LaserJet M9059 MFP: 51.121.2
Color LaserJet CM6030 MFP: 52.121.2
Color LaserJet CM6040 MFP: 52.121.3
Color LaserJet CM3530 MFP: 53.101.5
ScanJet 7000n Color: 113770_118969
CLJ CM4540 MFP: 113702_118761
Visit the HP website for more information and firmware downloads.
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