Ricoh SP 8400DN Field Service Manual page 1783

Ricoh a3 size black and white laser printer.

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3.System Maintenance

[Self Check].

Select the [All Light On] check box, and make sure the following LEDs light:

Data In indicator (facsimile and printer modes)

Fax indicator

[Check Status] indicator (flashes in red and orange alternately)

When the check is completed, press [Back] to return to the top menu of [Self Check].

Check if the Extended Feature keys on the left side of the control panel (EX1, EX2, EX3 from top to bottom) are

functioning normally. If they are functioning normally, the key will turn green when pressed.

[FOOT SW] is not used.

When the check is completed, press [End] to return to the top menu of [Self Check].

Visually inspect the color of the LCD. The displayed colors are white/black/red/green/blue. The LCD changes to

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