1. lj4550prnsyswin-en.exe Driver
2. hp4550ps.inf File Contents

hp4550ps.inf Driver File Contents (lj4550prnsyswin-en.exe)

; HP Color LaserJet 4550 PS driver installation file for Windows 9x
; Copyright Hewlett-Packard 1998 , 1999 ,2000

[Version]
Signature="$CHICAGO$"
Class=Printer
ClassGUID={4D36E979-E325-11CE-BFC1-08002BE10318}
Provider="Hewlett-Packard"
CatalogFile=HP4550PS.CAT
DriverVer=08/29/2001,2.0.1

[Manufacturer]
"HP"

[HP]
"HP Color LaserJet 4550 PS"=HP4550_4.PPD,LPTENUM\Hewlett-PackardHP_Co16E1

[HP4550_4.PPD]
Copyfiles=HP4550_4_FILES
DriverFile=PSCRIPT.DRV
HelpFile=PSCRIPT.HLP
DataFile=HP4550_4.PPD
ConfigFile=PSCRIPT.DRV
LanguageMonitor="HP Master Monitor,HPBMMON.DLL"
AddReg=MstrMon.AddReg

[DestinationDirs]
HP4550_4_FILES=11

[HP4550_4_FILES]
HPBHEALR.DLL,HPBHEALR.DL_
HP4550_4.PPD,HP4550_4.PP_
PSCRIPT.HLP,PSCRIPT.HL_
PSCRIPT.INI,PSCRIPT.IN_
ICONLIB.DLL,ICONLIB.DL_
FONTS.MFM,FONTS.MF_
PSCRIPT.DRV,PSCRIPT.DR_
HPBMMON.DLL,HPBMMON.DL_
HPDOMON.DLL,HPDOMON.DL_

[SourceDisksFiles]
HPBMMON.DLL   = 1
HPBMMON.DL_   = 1
HPDOMON.DL_   = 1
HPBHEALR.DL_  = 1
HP4550_4.PP_=1
PSCRIPT.DR_=1
PSCRIPT.HL_=1
PSCRIPT.IN_=1
ICONLIB.DL_=1
FONTS.MF_=1

[SourceDisksNames]
1 = %DiskID1%, DISK_1, 0000-0000


[Strings]
DiskID1="HP Color LaserJet 4550 PS Disk1"
DeviceMon="HP Color LaserJet 4550 ;hppamon.dll;"
DeviceName="HP Color LaserJet 4550"
MstrMonLPT="SOFTWARE\Hewlett-Packard\mstrmon\LPT"
MstrMonDot4="SOFTWARE\Hewlett-Packard\mstrmon\Dot4"
MstrMonNet="SOFTWARE\Hewlett-Packard\mstrmon\Network"

[MstrMon.AddReg]
HKLM,%MstrMonLPT%,%DeviceName%,0,%DeviceMon%
HKLM,%MstrMonDot4%,%DeviceName%,0,%DeviceMon%
HKLM,%MstrMonNet%,%DeviceName%,0,%DeviceMon%

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.