Canon imageCLASS MF7470 - Manual (Page 79)

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TOP
Before Using the
Machine
Original and Paper
Copying
Sending and
Receiving
Printing and
Scanning
Network (imageCLASS
MF7480/MF7470 Only)
Remote UI (imageCLASS
MF7480/MF7470 Only)
System Settings
Maintenance
Troubleshooting
Appendix
Index
Table of Contents
Scan Settings
You can set the desired copy exposure and select the original
type before scanning the original.
Manual Exposure Adjustment
You can manually adjust the copy exposure to the most appropriate
level for the original.
Original Type Selection
The machine is capable of processing and producing copies
according to the type of the original. You can manually select the
original type so that the machine reproduces copies as faithful as
possible to the original. The following three original type modes are
available:
Text Mode Text/Photo Mode Photo Mode
• Text Mode
This mode is best suited for making copies of text originals.
Blueprints or pencil drawn originals can also be copied clearly.
• Text/Photo Mode
This mode is best suited for making copies of originals containing
both text and images/photos, such as magazines or catalogues.
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• Photo Mode
This mode is best suited for making copies from photos printed on
photographic paper, or making copies of images printed with
halftone dots (i.e., printed photos).
Automatic Exposure Adjustment
This mode enables you to set the machine to automatically adjust
the exposure to the level best suited to the quality of the original.
Exposure Adjustment during Printing
You can change the copy exposure while the machine is printing.
Original Type Selection
Combinations of these three modes (Text, Text/Photo, and Photo) cannot
be selected at the same time. If you select one of these modes, the
previously set mode is canceled.
If you make copies of an original containing halftones, such as a printed
photograph, using the Photo mode, the moiré effect (a shimmering,
wavy pattern) may occur. In this case, you can lessen the moiré effect by
using the Sharpness mode. (See “Sharpness,” on p. 3-29.)
If you select the Automatic Exposure Adjustment mode, the original type
mode is grayed out and fixed to Text mode. If you select the Text/Photo
or Photo mode, the exposure can only be adjusted manually.
If the original is a transparency, select the original type, then adjust the
exposure to the most appropriate level for the original.
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