Canon imageCLASS MF7470 Manual

10-35

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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

Is the machine overheated?

Unplug the machine and let it cool for about 5
minutes. Then plug in the machine and try sending
again.

Memory fills up immediately when you try to send.

Are you sending at a high resolution?

If you want to keep your document quality, divide the
document into some parts and send them separately.

If your document does not contain fine text or
photographs, select a lower resolution.

If your document contains fine text or photographs,
send it directly rather than using a memory
transmission.

Is a document stored in memory, leaving little
memory available?

Print, send, or delete any documents stored in
memory.

Faxes sent from the machine are spotted or dirty.

Is the recipient’s machine working properly?

Check the machine by making a copy. If the copy is
clear, the problem may be in the recipient’s machine.
If the copy is spotted or dirty, clean the scanner
components. (See “Scanning Area,” on p. 9-4.)

Are the scanning components of the machine
clean?

If the received document is spotted or dirty, clean the
scanning components. (See “Scanning Area,” on
p. 9-4.)

The documents you sent are too light.

Is the density setting set towards [Light] and the
Original Type setting set to [Photo]?

Change the density setting to [Dark] and the Original
Type setting to [Text], and send the document again.
(See “Scan Density and Original Type Settings,” on
p. 4-16.)