Epson Stylus Pro 4900/Epson Stylus Pro 4910 Revision A
PRODUCT DESCRIPTION Control Panel 43
Confidential
1.5.3 Serviceman Mode
The Serviceman Mode is intended to be used by a service personnel for servicing the
printer.
HOW TO START & QUIT
1. Turn the printer on by pressing the [OK], [Paper Feed/Down], and [Menu/Right] buttons together.
2. Turn the printer off to quit the Serviceman Mode.
SERVICEMAN MODE MENU LIST
Menu Explanation
Mecha Adjustment
Paper Displays the Paper Thickness Sensor response for adjustment.
Rear AD Adjusts the AD value of the Rear Sensor (PE Sensor).
CR Un Cap Unlocks or re-locks the carriage and uncaps/re-caps the Printhead.
LCD RGB Check
Red
Checks the operation of the LCD.Green
Blue
Panel Check Checks the operation of the Buttons and the LEDs.
Sensor Check
Roll Unit
Checks the operation of sensors.
Roll Support
ASF Cassette
ASF Paper
Front Cover
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