Follow the link to download the following service manual
HP LJ 4100 Series
HP Laserjet 4100
http://www.mediafire.com/file/wdnkxyzwjxy/LASERJET%204100%20Series%20Service%20Manual.pdf
Follow the link to download the following service manual
HP LJ 4100 Series
HP Laserjet 4100
http://www.mediafire.com/file/wdnkxyzwjxy/LASERJET%204100%20Series%20Service%20Manual.pdf
Follow the link to download the service manual for :
HP Designjet ColorPro CAD Service Manual
HP Designjet ColorPro GA Service Manual
http://www.mediafire.com/file/zjl1wzzqudm/DESIGNJET ColorPro CAD, ColorPro GA Service Manual.pdf