1. lj593en.exe Driver
2. OEMSETUP.INF File Contents

OEMSETUP.INF Driver File Contents (lj593en.exe)

; HP LaserJet 4050 driver installation file for Windows
; Copyright Hewlett-Packard 1999
;
[disks]
     1 =. ,"HP LaserJet 4050 Series Disk 1"
     2 =. ,"HP LaserJet 4050 Series Disk 2"
     3 =. ,"HP LaserJet 4050 Series Disk 3"
     4 =. ,"HP LaserJet 4050 Series Disk 4"

[io.device]

     3:HPBFDA1.DRV,"HP LaserJet 4050 Series PCL 6","DEVICESPECIFIC"
; Gumby based PCL 5e driver
     4:HPBFCA1.DRV,"HP LaserJet 4050 Series PCL 5e","DEVICESPECIFIC"
; HP Monolithic PCL 5e driver 
;     4:HPBPCLA.DRV,"HP LaserJet 4050 Series PCL 5e","DEVICESPECIFIC"
     2:PSCRIPT.DRV,"HP LaserJet 4050 Series PS 300","DEVICESPECIFIC"
     2:PSCRIPT.DRV,"HP LaserJet 4050 Series PS 600","DEVICESPECIFIC"
     2:PSCRIPT.DRV,"HP LaserJet 4050 Series PS 1200","DEVICESPECIFIC"



[io.dependent]
HPBFDA1.DRV=1:HPTABS16.DLL,3:HPBFDA2.DLL,3:HPBFDA1.HLP,3:HPBFDA5.PMD,3:HPBFAB.DDU,3:HPBAFD16.DLL,3:HPBFTM16.DLL

; Gumby based PCL 5e driver
HPBFCA1.DRV=1:HPTABS16.DLL,4:HPBFCA2.DLL,4:HPBFCA1E.HLP,4:HPBFCA10.PMD,3:HPBFAB.DDU,3:HPBAFD16.DLL,3:HPBFTM16.DLL

; HP Monolithic PCL 5e driver
;HPBPCLA.DRV=1:HPTABS16.DLL,4:HPBPCLA1.DLL,4:HPBPCLA2.DLL,4:HPBPCLA3.DLL,4:HPBPCLA4.DLL,4:HPBPCLA5.DLL,4:HPBPCLA6.DLL,4:HPBPCLA6.HLP,4:HPBPCLA.HLP

PSCRIPT.DRV=2:PSCRIPT.HLP,2:HP4050_3.WPD,2:HP4050_6.WPD,2:HP405012.WPD

How To Update Drivers Manually

After your driver has been downloaded, follow these simple steps to install it.

• Expand the archive file (if the download file is in zip or rar format).

• If the expanded file has an .exe extension, double click it and follow the installation instructions.

• Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.

• Find the device and model you want to update in the device list.

• Double-click on it to open the Properties dialog box.

• From the Properties dialog box, select the Driver tab.

• Click the Update Driver button, then follow the instructions.

Very important: You must reboot your system to ensure that any driver updates have taken effect.

For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.