6.4Preparation for Troubleshooting
(1)Operator panel display
The failure status of this printer is displayed on the liquid crystal display (LCD) in the operator panel. Take proper corrective action as directed by messages that are displayed on the LCD.
6.5Troubleshooting Flow
If troubles should develop in this printer, troubleshoot in the following procedure flow:
Troubles
Troubles indicated by LCD message
Image troubles (and troubles that are not indicated by LCD message)
Troubleshoot from the LED 
status message list.
See 6.5.1.
Perform detailed trouble- shooting with the trouble- shooting chart. See 6.5.2.
Perform troubleshooting with the troubleshooting chart. See 6.5.3.
6.5.1LCD status message/trouble list
Table
LED status
: OFF
: BLINK
: ON
: Undefined
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