I need help about a laser cutter design.

OK,here is my plan. I thought of making a laser cutter using a printer and DVD drive laser. I plan on replacing the print head with the laser,or mod a black cartridge to activate a laser instead of squirting ink. The work will be moved by the mechanism that once moved the paper. However,I cannot seem to find the pinouts of a cartridge or at least a diagram of the insides of a cartridge. Needless to say,I need help about the project. Note:The project will probably be done a few years later. Another note:I do not have good image to put here,so I am putting a random pic from one of my instructables.

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Derin (author) 8 years ago
bump
CameronSS8 years ago
I wouldn't be surprised if manufacturers tried their best to keep the inner workings of their ink cartridges secret, to help stem competition from third-party manufacturers.
Derin (author)  CameronSS8 years ago
Oh.I am currently trying to find the pinouts for a HP cartridge like the number 21 black cartridge.
NachoMahma8 years ago
. I'd start by searching for service manuals, eg,
  Epson +ILP2000 +"service manual"
(assuming you're using the Epson ILP200 that I just invented)
Derin (author)  NachoMahma8 years ago
Ok,I will try that