4 Checking and Performing Printer Adjustments
46
CL4NX/CL6NX Service Manual
Next, check the “High” level (voltage) of the I-mark sensor as follows:
8 Pass the media . below the media
sensor guide 3 so that the media sensor
can sense the I-mark (black mark).
9 Close the print head.
10
Check the Sensor value.
If the value is 1.0 (V) higher than the “Low” level
value you have recorded, then this is the “High”
level value for the I-mark sensor.
If the difference between the “High” and the “Low”
levels is less than 1.0, adjust the Emit and Receive
values so that the difference is more than 1.0, or
perform the adjustments again from step 2.
11
The standard values for the “High” and
“Low” levels for the I-mark sensor are as follows:
• Low (without I-mark) 0.5 (V)
• High (with I-mark) - Low 1.0 (V)
12
If both “High” and “Low” levels comply with the standard value, press the right soft
button to confirm the value.
13
If you cannot adjust the sensor level, clean the sensor, check the connection of the
connector, and try again.
If the problem persists, replace the sensor. Refer to Section 5.4 Replacing the Media Sensor for
details.
4.3.5
Adjusting the I-mark Sensor Slice Level
Set the I-mark sensor slice level.
1 Perform steps 1 through 6 of Section 4.3.1
Auto-calibration.
The Calibrate screen shows.
2 Press the / buttons to select the
I-Mark Slice Level in the Calibrate menu
and press the button.
2
1
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