Printronix SL5000 User Manual page 76

Chapter 2
Printing Adjustments
To avoid this problem, increase the Threshold Range value to 60% or 70% 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 as the gap (top-of-form).
Media Sensor
Position
255
191
127
Paper Out(110)
Gap(072)
063
000
Indicates Type of Gap/Mark
Sensing Selected
76
Auto Calibrate again.
Detected Amplitude
of the Antenna
FEED
Detected Amplitude
of the Gap