HP PCL/PJL reference (PCL 5 Printer Language) - Technical Reference Manual Part I

EN Left Offset Registration Command 4-7
Left Offset Registration Command
The Left (long-edge) Offset Registration command designates the
position of the logical page across the width (short side) of the
physical page. This command can be used to adjust the text position
on the page to allow additional room for the page binding.
? & l # U
# = The number of decipoints (1/720 inch)
Default = 0
Range = –32767 to 32767
The value (#) is a signed number valid to 2 decimal places. The units
are decipoints. Positive values cause the logical page, regardless of
orientation, to move right along the width of the physical page, except
on the back side (duplex print) of sheets printed in long-edge binding
duplex mode, where positive values cause it to move left (refer to
Figure 4-4 and Figure 4-5).
Negative values cause the logical page, regardless of orientation,
to move left along the width of the physical page, except on the back
side of sheets printed in long-edge binding duplex mode, where
negative values cause it to move right (refer to Figure 4-4 and
Figure 4-5).
Notes The +/– value is absolute with respect to the default position of the
logical page along the width of the physical page. It is not relative to
the present location.
The registration commands may cause data loss by moving the
logical page outside the printable area.
This command has the same effect regardless of orientation.
This command can be used in both simplex and duplex modes.