Homebrew PCBs

Is there a source for manuals for these printers were using Hmmmm
(breaking?) I would also like to know what I may expect to see at the 
print head. While trying to clean my C88 I shorted the head. I found 
the flat ribbon cable burned at the print head. I cut off the bad part 
cleaned it up and it still wont print. The printer shows no trouble and 
acts like its printing but alas no. There is ink at the nozzles when I 
pull on the syringe.