This is not a service manual, but I think it should be posted here. This is the Canon service tool required for performing service mode operations on PGI-x20/CLI-x21 printers. I don't know if it will also work on the PGI-x25/CLI-x26 printers. Link to Russian download site here: You can click the blue link looking something like: CKaYaTb CANON Service Tool V2000 for download or use Google Translate. I've posted a description and instruction here: Update: The download link above doesn't work any more.

A Later Version Of Itunes Is Already Installed there. Error that requires contacting your Canon service representative may have occurred. How to Use This Manual Printing This Manual.

Here you find a working link. I searched Google for a printhead for Pixma 5000. I didn't find it but instead Google found these service manuals: Canon Pixma iP100: Canon Pixma iP3000: Canon Pixma iP5300: Canon Pixma iP6000: Canon Pixma iP6600: Canon Pixma iP8500: Canon Pixma MP510: Canon Pixma MP520: Canon Pixma MP600: Canon Pixma MP800: Canon MX700: Canon Pro 9000: Canon Pro 9500: Edit: The Service manual for Canon Pixma iP6600D seems corrupted. Alien Implant Bcd3000 Mapper Angling. See post #91 for a better link. Edit2: The link for the service manual for Canon Pixma Pro 9500 no longer works.

See post #117 for a better link. Edit3: The link for the service manual for MX700 doesn't work any more, try this instead: ftp://mail.racs.co.bw/Canon/MultiPass%20Smartbase/MX%20SERIES/MX700/Service%20Manual/mx700-sm.pdf.