Canon imageclass d680 service manual needed

SOURCE: Problems with Canon imageCLASS D680 Laser Printer?

you have to move whole scanner it to the left Lift the platen unit lever (1) and slide the platen unit (2) until the mark appears.
http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&tabact=SupportDetailTabAct&fcategoryid=239&modelid=8152

then faq >>> select the install tuner

SOURCE: How to replaced fuser on the Canon ImageClass 780

the steps are posted on the reference guide found in the link below from Canon

http://gdlp01.c-wss.com/gds/0300000515/imageCLASS_D780_D760_D761_Reference_Guide_EN.pdf

SOURCE: how do i take apart the canon imageclass d680 to

Replaced the toner cartridge for my Cannon image class d 680 and when I tried to copy a document it came out blank. Followed the installation instructions for the toner including removing the seal.