HP LaserJet Pro Devices - Installing 2048 bit SSL certificates

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 HP LaserJet Pro M401dne (firmware date code 20140521 or later required)
 HP LaserJet Pro M401dw (firmware date code 20140521 or later required)
 HP LaserJet Pro M401n (firmware date code 20140521 or later required)
 HP LaserJet Pro M425dn (firmware date code 20140521 or later required)
 HP LaserJet Pro M425dw (firmware date code 20140521 or later required)
 HP LaserJet Pro M435nw MFP
 HP Color LaserJet Pro MFP M476dn
 HP Color LaserJet Pro MFP M476dw
 HP Color LaserJet Pro MFP M476nw
 HP LaserJet Pro 500 color MFP M570dn
 HP LaserJet Pro 500 color MFP M570dw
 HP LaserJet Pro M521dn MFP
 HP LaserJet Pro M521dw MFP
 HP LaserJet Pro M701a Printer
 HP LaserJet Pro M701n Printer
 HP LaserJet Pro M706n Printer
When the printer cannot generate a Certificate Request for 2048 bit
certificates
Some HP LaserJet printers were designed before 2048 bit Certificates were declared the new standard. Many of these
will have a firmware update that provides the ability to generate 2048 bit CSR. So, it’s always a good idea to install the
latest firmware (which can be obtained on HP.com) before resorting to the following procedures. However, some
printers will never have this capability. The following procedures can be used for these.
Warning: Do not be tempted to obtain a certificate from a CA that includes the private key along with it (either in
separate files or combined in a .PFX or .P12 file). The private key is to be kept private. It is never to be shared with
anyone else. Doing so will circumvent any security that the certificate is intended to provide.
Method 1 – Software supplied by the CA
Some CAs supply free software that can be used to generate a CSR outside the printer. Once the CSR is generated, it can
be submitted to any CA (not just the one that provided the software). One such program is DigiCert’s Certificate Utility: