rgd1101 :
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareIndex.jsp?lang=en&cc=us&prodNameId=14974&prodTypeId=18972&prodSeriesId=25476&swLang=8&taskId=135&swEnvOID=4063
it said, it either include with win7 or you need to do windows update.
And it said:
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?&objectID=c02536257
Products for which the In-OS is the best or only driver option
Use Devices and Printers to run Windows Update to obtain the driver included in the Windows 7 OS for the following older LaserJet products:
HP LaserJet 4/4+, 4, 4M/4M+, 4ML, 4MP, 4MV, and 4Si Printer series
NOTE: The 4L, 4LC, 4LJ, 4P, and 4V models in the LaserJet 4 series are NOT supported in Windows 7.
HP LaserJet 5, 5M, 5MP, 5Si Printer series
NOTE: The 5L, 5N, and 5P models in the LaserJet 5 series are NOT supported in Windows 7.
HP LaserJet 6, 6M, and 6MP Printer series
NOTE: The 6L and 6P models in the LaserJet 6 series are NOT supported in Windows 7.
...
I have no access to Windows Update in my company laptop. Does someone know if 6, 6M or 6MP driver would work for 6L?