Canon i-SENSYS MF729Cx Important Safety Instructions And Installation Manual page 45

2
Align the corner of the document with the top-left corner of the platen glass.
To scan transparent documents (for example, tracing paper or transparencies), cover them with plain white paper.
3
Gently close the feeder.
The machine is ready to scan the document.
When scanning is complete, remove the document from the platen glass.
Placing Documents in the Feeder
1
Spread the document guides apart.
Slide the document guides outward until they are slightly farther apart than the actual document width.
Pull out the tray extension when loading large documents to prevent them from drooping over the edge of the feeder.
2
Fan the document stack and align the edges.
Fan the document stack in small batches, and align the edges by lightly tapping the stack on a flat surface a few times.
3
Place the document(s) face up in the feeder.
Make sure that the document stack does not exceed the load limit lines (
Do not load documents of various sizes at the same time.
Up to 50 sheets can be loaded at a time. If 51 or more sheets are loaded, scanning may stop or a paper jam may occur.
).