Adjusting The Registration Mark Sensor Sensitivity - GRAPHTEC FC9000-75 Service Manual

8.14 Adjusting the Registration Mark Sensor Sensitivity

This adjustment will set the registration mark senor sensitivity.
Perform this procedure if adjustment values could not copy from the SUB-NVRAM when replacing the main
board.
When the registration mark sensor or the main board was replaced, this adjustment must be performed.
Preparation
Print out the registration mark sensor sensitivity adjustment sheet which is on the last page of this chapter to
A4 size white copy paper.
How to adjust the registration mark sensor sensitivity
(1) Turn on the power while pressing the SLOW and the ENTER keys.
(2) The plotter displays the following menu.
(3) Load the Registration mark sensor sensitivity adjustment sheet to the plotter, and then the plotter
displays the following menu. (When the adjustment sheet is loading, the white square area must be the
left side.)
(4) Press the 3 key (SHEET) to display the menu shown below.
FC9000-UM-251-9370
REGISTRATION MARK SENSOR LEVEL ADJUST
LOAD MEDIA TO FC9000 (SHEET)
MOVE TOOL POSITION TO CENTER OF WHITE SQUARE.
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8 Electrical Adjustment