Automatic Adjustment Of The Sensitivity Of The Registration Mark Sensor - GRAPHTEC FC4500 User Manual

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When the displayed settings are satisfactory, press the
If the [F3] key (DEFAULT) was pressed, the values become the default values.
Setting range: 1 to 99% [Default value: Registration mark pattern 1, 2 and MIRROR: X = 70, Y = 70;
Registration mark pattern 3: X = 85, Y = 85]
Select a numeric value that is appropriate for the difference between blank areas of the medium (areas where there
is no drawing) and the density of the registration marks. Setting a higher value enables higher sensitivity (faint
registration marks can be detected) but the floating up of the medium from the surface of the plotter or dirt on the
medium may cause erroneous detection.
Make settings for registration mark pattern 3 and MIRROR in the same way.

Automatic Adjustment of the Sensitivity of the Registration Mark Sensor

(1) Press the
[PAUSE] key to select PAUSE mode.
(2) Load a medium on the plotter.
(3) Press the
[NEXT] key repeatedly until the following menu is displayed.
FORCE
MARK
BUFFER CLR.
SPEED
(4) Press the [F1] key (MARK) to display the registration mark functions selection menu.
FORCE
MODE
TYPE
OTHER SETUPS
SPEED
(5) Press the [F4] key (OTHER SETUPS) to display the menu shown below.
FORCE
SIZE
ADJ. SENS
ORG OFT
SPEED
(6) Press the [F3] key (ADJ. SENS) to display the menu shown below.
FORCE
ADJUST SENSOR
POSITION
SPEED
(7) Press the [F4] key (LEVEL ) to display the menu shown below.
FORCE
SENSITIVITY ADJUST
•DEFAULT
SPEED
To select the default value, press the [F2] key (DEFAULT) and then press the
To set the sensitivity of the sensor, press the [F4] key (USER) and then press the
(8) If the [F4] key (USER) was pressed, the sensor judgment value screen is displayed.
FORCE
VALUE
SENSITIVITY
SPEED
OFFSET
TOOL U/D
QUALITY
OFFSET
DIST ADJ
QUALITY
OFFSET
SENS OPT
QUALITY
OFFSET
LEVEL
QUALITY
OFFSET
USER
QUALITY
OFFSET
AUTO
QUALITY
Chapter 4 REGISTRATION MARK SETTINGS AND DETECTION
[ENTER] key to confirm your selections.
[ENTER] key.
[ENTER] key.
4-17

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