Hi Anirudha,
1.HP LaserJet P3005 PCL6
2.HP LaserJet 5200 PCL6
3.HP LaserJet Professional P1606DN
4.HP LaserJet 1160
check the note 1135055 here you find the link:
http://h22168.www2.hp.com/us/en/partners/sap/drivers-for-sap-printing.aspx
the above 4 printers are listed here and also which device type you should use.
5.HP LaserJet 4350DTN
About this printer i could not find any information on HPs homepage about which printer languages are built in like PCL or Postscript. If you see in the manual of the printer that one of the PDLs are supported by the printer then you can try HPLJ4000 or POST2.
6.RICOH Aficio MPC 4500 PCL6
7.RICOH Aficio MPC 4502 PCL6
the printers are listed in note 1135039, and the device types are attached to this, regarding installation of the device types see note 1103422 section "Installing Device types".
8.ZEBRA GX420D
the printer is listed in note 1173046. As Zebra is Silver member of the SAP Printer Vendor Program
the device types are provided by Zebra. Please contact regarding this Zebra directly over the contact
detail described in note 1173046. Here you need also to import a transport package with the device
driver which is also delivered by Zebra. The installation instruction is described in note 1103422 under section "Installing device drivers".
Best regards,
Norbert