50
（
1
）
Adjusting Paper Sensor System
Perform the Paper Detection Sensor (VR1, VR3) adjustments as follows.
①
Turn the printer ON.
②
Run OP2-Tools, and select the printer to be adjusted.
③
Run the OP2-Tools Sensor Monitor, and begin measuring.
④
Adjust each sensor.
（
Ex
）
Adjusting Paper End Sensor
（
VR1
）
When adjusting
In “Adjustment Ranges” on the previous page, the status for adjusting the Paper End
Sensor says “With paper”, so (unused) paper should be inserted at the Paper End Sensor
location.
Now, adjust resistor VR1 on the Main Board so that the “Paper-End” value on the
Sensor Monitor is “0.7
±
0.05”.
When checking operation
In “When checking operation” on the previous page, the status for checking the Paper End
Sensor operation
says
“W/O paper”, so remove the paper inserted for adjustment.
Now check that the “Paper-End” value on the Sensor Monitor meets the standard value
“4.5 or more”.
Insert the paper, until the
edge of paper comes on
the platen.
Until the edge of paper bumps.
It is seen from the window.
Sensor position
Adjusting
Paper End
Paper
PC Mark
Paper
