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C550 2-3
7 [Interrupt] key Press to enter Interrupt mode. While the machine is in In-
terrupt mode, the indicator on the [Interrupt] key lights up
in green and the message “Now in Interrupt mode.” ap-
pears on the touch panel. To cancel Interrupt mode, press
the [Interrupt] key again.
8 [Stop] key Pressing the [Stop] key during scanning temporarily stops
the scan operation.
9 [Proof Copy] key Press to print a single proof copy to be checked before
printing a large number of copies.
10 [Start] key Press to start scanning. When this machine is ready to be-
gin scanning, the indicator on the [Start] key lights up in
blue. If the indicator on the [Start] key lights up in orange,
scanning cannot begin.
Press to restart a stopped job.
11 Data indicator Flashes in green while a print job is being received.
Lights up in green when data is being printed.
12 [C] (clear) key Press to erase a value (such as the number of copies, a
zoom ratio, or a size) entered using the keypad.
13 Keypad Use to type in the number of copies to be produced.
Use to type in the zoom ratio.
Use to type in the various settings.
14 [Help] key Press to display the Help Menu screen, which can be used
to display descriptions of the various functions and details
of operations.
15 [Enlarge Display] key Press to enter Enlarge Display mode.
16 [Accessibility] key Press to display the screen for specifying settings for user
accessibility functions.
17 [Power Save] key Press to enter Power Save mode. While the machine is in
Power Save mode, the indicator on the [Power Save] key
lights up in green and the touch panel goes off. To cancel
Power Save mode, press the [Power Save] key again.
18 [Access] key If user authentication or account track settings have been
applied, press this key after entering the user name and
password (for user authentication) or the account name
and password (for account track) in order to use this ma-
chine.
19 [Brightness] dial Use to adjust the contrast of the touch panel.
20 [User Box] key Press to enter User Box mode.
While the machine is in User Box mode, the indicator on
the [User Box] key lights up in green. For details, refer to
the User’s Guide [Box Operations].
21 [Fax/Scan] key Press to enter Fax/Scan mode.
While the machine is in Fax/Scan mode, the indicator on
the [Fax/Scan] key lights up in green. For details, refer to
the User’s Guide [Fax Operations].
22 [Copy] key Press to enter Copy mode. (As a default, the machine is in
Copy mode.) While the machine is in Copy mode, the indi-
cator on the [Copy] key lights up in green. For details, refer
to the User’s Guide [Copy Operations].
No. Part Name Description