Printronix SL5000 User Manual page 78

Chapter 2
Printing Adjustments
To avoid this problem, increase the Threshold Range value to 60% in the
CALIBRATE CTRL menu (the default is 50%), then run an Auto Calibrate
again (Cross-ref to Auto Calibrate).
NOTE: Any changes to Threshold Range will not take effect until you run an
This will raise the Gap/Mark threshold high enough so that the printer will not
falsely use the antenna or noise as the gap (top-of-form).
Media Sensor
Position
255
191
127
Paper Out(075)
063
Gap(040)
000
Indicates Type of Gap/Mark
Sensing Selected
78
Auto Calibrate again.
Detected Amplitude
of the Antenna
FEED
Detected Amplitude
of the Gap