The LaserJet 4si is a printer manufactured by HP. If your printer is unresponsive, slow to print or the print quality is poor, updating to the latest driver may fix the problem. This driver - "lj631en.exe" - has been downloaded 43 times and is rated 1 out of 5 stars based on 12 reviews. The uploader reports that this update will work successfully on PCs running Windows XP. The total disk space used for this update is 1.2 MB.
HP LaserJet 4si printer
Windows XP, Windows 2000
lj631en.exe (1.2 MB)
02.12.02 (4-Mar-2002)
02.00.12.02 (2002-01-18) via .inf
HP LaserJet 4si printer
HP LaserJet 4, 5, 6 PCL5e Driver
Prabhu (DG Staff Member) on 23-Jul-2004
To get the HP LaserJet 4si printer driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter HP LaserJet 4si printer into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the HP Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
To find the newest driver, you may need to visit the HP website. Most major device manufacturers update their drivers regularly.
After you get your new driver, you need to put it on your computer. On Windows, there's a tool called Device Manager that helps with this. It shows you all the parts of your computer and the drivers they use. To finish setting up the new driver, you'll probably need to turn your computer off and on again.
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| HPLJ5N.GPD | 34.7 KB | 28 Nov 2001 |
| HPCUI02.DLL | 139.3 KB | 10 Jan 2002 |
| HPLJ5.GPD | 34.7 KB | 28 Nov 2001 |
| HP5SI.GPD | 64.4 KB | 28 Nov 2001 |
| HPLJ4P.GPD | 28.9 KB | 28 Nov 2001 |
| TTFSUB.GPD | 698 bytes | 3 Jan 2002 |
| HPLJ6MP.GPD | 31.4 KB | 28 Nov 2001 |
| HPCSTR02.DLL | 13.3 KB | 10 Jan 2002 |
| HPLJ4L.GPD | 25.4 KB | 28 Nov 2001 |
| UNIRES.DLL | 619.5 KB | 3 Jan 2002 |
| HPLJ4MP.GPD | 26.4 KB | 28 Nov 2001 |
| HPLJ5L.GPD | 26.7 KB | 28 Nov 2001 |
| PCL5ERES.DLL | 676.4 KB | 3 Jan 2002 |
| STDNAMES.GPD | 14.4 KB | 3 Jan 2002 |
| HPCMBOX.INI | 190 bytes | 19 Jun 2001 |
| HPLJ4ML.GPD | 24.6 KB | 28 Nov 2001 |
| HPC02.INI | 162 bytes | 19 Jun 2001 |
| HPLJ6L.GPD | 22.1 KB | 28 Nov 2001 |
| UNIDRV.DLL | 251.9 KB | 3 Jan 2002 |
| HP4MPLS.GPD | 34.4 KB | 28 Nov 2001 |
| HPLJ4PS.GPD | 39.5 KB | 28 Nov 2001 |
| HP4SIMX.GPD | 29.4 KB | 28 Nov 2001 |
| HPLJ4V.GPD | 37.7 KB | 28 Nov 2001 |
| UNIDRVUI.DLL | 196.1 KB | 3 Jan 2002 |
| HPLJ4M.GPD | 32.2 KB | 28 Nov 2001 |
| HPLJ4.GPD | 34.1 KB | 28 Nov 2001 |
| HPCFNT02.DLL | 136.2 KB | 10 Jan 2002 |
| lj456p5.inf | 21.7 KB | 18 Jan 2002 |
| HPLJ5P.GPD | 30.0 KB | 28 Nov 2001 |
| HPLJ5M.GPD | 37.4 KB | 28 Nov 2001 |
| HPLJ6P.GPD | 33.0 KB | 28 Nov 2001 |
| HPPRN02.DLL | 46.6 KB | 10 Jan 2002 |
| HPLJ4MV.GPD | 34.2 KB | 28 Nov 2001 |
| HPLJ4SI.GPD | 32.7 KB | 28 Nov 2001 |
| HP5SIM.GPD | 63.8 KB | 28 Nov 2001 |
| HPMOPY.GPD | 63.8 KB | 28 Nov 2001 |
| HPCRD02.DLL | 67.6 KB | 10 Jan 2002 |
| HPOEMUI.DLL | 14.8 KB | 10 Jan 2002 |
| HPLJ5MP.GPD | 29.3 KB | 28 Nov 2001 |