Operating System: Windows 2000 (Note: might work with other versions of this os.)
This SoftPaq contains Version 1.5 of the Compaq A1000 All-In-One Printer drivers for Windows 2000 and Windows XP. (49MB dowload)
Installs driver version 1.5.
Supports Windows 2000.
Supports Windows XP.
Execute SP15246.exe which creates a A10002K.zip file, then extract files from the zip and run setup.... I experienced no problems with installation.