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6.3.17 FORWARD/REVERSE FEED COMMAND [ESC] U1, [ESC] U2
Function After printing or feeding the paper, feeds the paper to the position at which a label can
be cut manually.
When issuing the next label, feeds the paper back to the first print position.
Format Forward Feed
[ESC] U1; aaaa (, b) [LF] [NUL]
Reverse Feed
[ESC] U2; aaaa (, b) [LF] [NUL]
Term aaaa: Feed value by which the paper is fed forward or backward.
0030 to 2000 (in 0.1 mm units)
b: Head up function (Omissible. When omitted, the head up function is not
performed.)
0: Head up function is not performed.
1: Head up function is performed.
Notes (1) When the [FEED] key is pressed on the printer, one label is fed, and then fed by
the forward feed value automatically if the Forward Feed Command has already
been transmitted.
(2) The Forward/Reverse Feed Command is protected in memory (even if the power is
turned off).
(3) The Forward/Reverse Feed Command is ignored in the strip mode and the cut
issue mode.
(4) The Forward/Reverse Feed Command feeds the label without ribbon saving even
if the ribbon saving issue is designated.
(5) The forward feed is performed at the speed designated by the Issue Command or
Feed Command. The reverse feed is performed at 3 ips. This reverse feed
speed can be changed from 3 ips to 2 ips in the system mode.
(6) There may be cases, where a specified length of a reverse feed is not performed,
depending on the print conditions. In issues where any paper sensor is used, if
the label pitch length is almost the same as the distance between the thermal print
head and the paper sensors (75.5 mm), a label/tag may not be returned to the first
print position, even when the same value is specified for both a forward feed and a
reverse feed. It may result in an error. In such cases, to prevent an error from
occurring, the reverse feed length should be set to a value larger than the forward
feed value.