3860/80 User’s Manual
8-4
Left Print Reference or Left Margin
The Left Print Reference is an electronic equivalent to moving the paper horizontally by
adjusting the position of the paper feed tractors. It is, in effect, a non-registered horizontal
move. Setting a non-zero value for the left print reference moves printing to the right on the
paper.
When deciding whether to set a left margin or a left print reference, note that if a left margin is
set and the application sends horizontal tabs, the position of the horizontal tabs relative to the
leftmost position on the paper may no longer be correct. This depends on how the application
sets tabs and whether horizontal tabs were set before or after the left margin was set.
To summarize: If it is desired to limit the number of characters that can be placed on a line,
then use left and right margins. If the horizontal position of printing on the paper needs to be
changed, use the left print reference.
NOTE: Since the Left Print Reference is an unregistered move, it is possible to print off
of the right hand side of the paper.
Load Length Adjustment
The paper-out detector is used to detect the leading edge of paper during loading. Load
length is the distance that a form is advanced beyond the point of actuation of the paper-out
detector when that form is loaded. The load length adjustment is correct when, following an
Initial Setup (ISU), the absolute top edge of the form is loaded aligned with the topmost print
wire on the print head.
The load length adjustment is set at the factory and should not need to be changed unless a
user has inadvertently changed the setting, or the paper-out switch has been replaced. If the
load length adjustment is high, printing on the striker bar may occur during a low-paper
condition. If low, the printer may print on the striker bar above the first line of the first form.
An error in either direction compromises the accuracy of any vertical settings relative to the
absolute top edge of the form and may cause damage to the print head.
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