5.2.4 Adjustment of Sensor Level
Adjustable sensors of the Printer are factory adjusted at the time of shipment.
Readjustment is necessary in the following case:
?
Sensor is replaced.
(
light source, receiver
)
?
Mechanically changed affecting the light axis.
?
Main Board
(
P BA-MAIN
)
is replaced.
?
Ribbon related error occurs frequently.
If the sensor output voltage is below the specified value in spite of the adjustment
according to correct procedure, repair the defective parts as instructed in paragraph 3.
Note : Adjust the sensor output level at where the external light will not affect.
When measuring the output voltage of the sensor with volt meter, use the meter
at 0.1V range.
1
)
Automatic Adjustment of Sensors
Step 1: With the power OFF, visually confirm that there is no card in the
Printer.
Step 2: Open Ribbon Cover and pull out the Ribbon Cartridge.
Set the Ribbon Cartridge again in the position so that Yellow Part of the
Ribbon comes to block the light to SN10 and close the Ribbon Cover.
Step 3: Turn ON the power and execute "Sensor Auto Adjustment" menu in
"Service Mode".
Step 4: Finish "Service Mode".
Note: Refer to Sec. 3 "Operation of Operation Panel".