IBM Infoprint 6700 Series User Manual page 148

Chapter 3
CALIBRATE CTRL
Manual Calibrate is completed successfully when the displayed Sensed
Distance correctly matches that of the installed media. When Gap is selected,
the Sensed Distance should match the length from the trailing edge of one
gap to the trailing edge of the next gap (or one label + one gap). When Mark is
selected, the Sensed Distance should match the length from the leading edge
of one black mark to the leading edge of the next black mark.
Manual Calibrate supports label lengths up to 24 inches.
Pwr Up Auto-Cal
•
Disable.
•
Enable. When the printer is first powered on, it will complete its
initialization and self-tests and then perform an Auto Calibrate. Once the
Auto Calibrate is complete, the printer will momentarily display the
Sensed Distance determined by the Auto Calibrate.
The factory default is Disable.
Online Auto-Cal
NOTE: Online Auto-Cal will not function when the validator is enabled or
The options for Online Auto-Cal are:
•
Disable.
•
Enable. Whenever the printer is brought online, it automatically performs
an Auto Calibrate (see "Auto Calibrate" on page 145). Once the Auto
Calibrate is complete, the printer momentarily displays the Sensed
Distance determined by the Auto Calibrate and then resumes printing any
pending jobs.
NOTE: If using the Online Auto-Cal feature, you must first enable it prior to
The factory default is Disable.
Gap Windowing
This feature compensates for any early falling edges or spurious peaks and
troughs that may appear within the gap length in media. These edges or
peaks and troughs can cause unreliable detection of the leading edge of the
next label (top-of-form). Use Gap Windowing to resolve the following
problems:
•
Loss of one or more complete (serialized) labels.
•
Start of an image printed in the middle of a gap, especially with fanfold,
perforated media.
•
Top part of an image lost when printing in head-first orientation.
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when Error Recover (under MEDIA CONTROL) is enabled (see
page 140).
printing any data.