Canon PC-D320 Service Manual page 67

PC-D320/PC-D340/FAX-L400 Chapter 3: Assembly and Disassembly
(7) Open the document feed ass'y, and detach the stopper. While lifting up the rear side of
the document feed ass'y, shift it to the rear side for removing.
Document feed ass'y
Figure 3-5 Document Feed Section 4
(8) Remove the document feed rear cover while detaching the 3 claws.
Figure 3-6 Document Feed Section 5
Document feed rear cover
Claws
3-7
Stopper