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Appendix E EPSON LQ 2550 and ESC/P2 Quick Reference
E-19
Table B-8 (Cont.): Further - Control Sequences, supported by
EPSON LQ Emulation Mode (Native Commands)
Escape Sequence Mnemonic Function
ESC [ ; P2 ; P3 ; P4 ; P5 ; P6 ; P7 SP z
BARCODE Programming BH Barcode Header
P2: Barcode type
P3: Height of barcode
P4: Width of the thin bars
P5: Width of the thin gaps
P6: Ratio width to thin (bars / gaps)
P7: Uni-directional or bi-directional
printing
0 : or not programmed: means
no changes
1 : uni-directional printing in LQ
2 : bi-directional printing in LQ
3 : uni-directional printing in
NLQ
4 : bi-directional printing in NLQ
Note: A switch from uni-directional to bi-
directional printing is only possible if the
parameter UNI-DIRECT.CMD is set to YES
via operator panel or ESC-sequence.
ESC [ ? 0 h SMBC Set Mode Barcode
ESC [ ? 0 l RSBC Reset Mode Barcode