Diagnostic information 2-3
5026
C748x operator panel
C748x buttons and light descriptions
9 Indicator light Check the status of the printer.
10 USB port Connect a USB Bluetooth adapter or a flash drive to the printer.
Note: Only the front USB port supports flash drives.
Use the To
1 Display • View printer status.
• Allow printer setup and operation.
2 Home button Go to the home screen.
3 Keypad Enter numbers and letters.
Use the To
Indicator light
status
Indicates
Off Printer power is off.
Blinking green Printer is warming up, processing data, or
printing a job.
Solid green Printer is on, but idle.
Blinking red Operator intervention is required.
1
2 34
67 5
1
2
ABC
3
DEF
4
GHI
5
JKL
6
MNO
7
PQR
8
STU
9
WXYZ
0
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