48 lines
2.8 KiB
Plaintext
48 lines
2.8 KiB
Plaintext
# ASCII Photobooth printer configuration
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# Sourced by txt2printr.sh and photobooth.py.
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# Is the printer loaded with A4 paper for a landscape printout? (true/false)
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# Needle/dot-matrix printers have no hardware page-rotation command: the
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# print head only scans across a fixed carriage width while the paper feeds
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# in one fixed direction, so there is no way to make the physical page
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# itself "landscape". Instead, when this is true:
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# - txt2printr.sh rotates the ascii art 90 degrees in software before
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# sending it to the printer (turn the printed page 90 degrees to read it)
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# - photobooth.py sizes its live-preview viewfinder to an A4-landscape
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# character grid instead of just following the terminal size, so what you
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# see in the preview matches the shape of what gets printed
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# This install is loaded with single-sheet A4 stock (not the wide 4-16in
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# fanfold covered by printer.conf.epsondfx5kp.bak) and actually prints on
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# it fine, so this stays true - running the unrotated portrait variant on
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# this narrower stock wastes paper instead of using the full sheet.
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PRINTER_A4=true
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# Your printer's real per-page capacity in the normal (portrait, unrotated)
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# orientation, used to size the A4 viewfinder above and to know when a print
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# job already fills the page (see txt2printr.sh). Paper geometry and stated
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# pitch don't reliably predict this - measure it directly with pagetest.sh:
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# ./pagetest.sh && PRINTER_A4=false ./txt2printr.sh pagetest.txt
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# then read off the last line number on page 1 (-> PRINTER_MAX_LINES) and
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# how many characters of the 64-wide test lines actually printed before
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# being cut off (-> PRINTER_MAX_COLS).
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#
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# Measured on this A4 sheet arrangement: 70 lines, 80 columns.
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#
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# Unlike printer.conf.epsondfx5kp.bak (PRINTER_MAX_LINES=0, treated as
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# unbounded roll stock), this arrangement uses real single A4 sheets, so a
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# fixed page length applies here and PRINTER_MAX_LINES is non-zero. This
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# matters beyond just the end-of-job form feed in txt2printr.sh: this A4
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# sheet's true page length (297mm / 11.69in) does not match the DFX-5000+'s
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# "11-inch" DIP page-length option documented in epson5kp-dipsettings.md for
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# the fanfold arrangement (SW3-1/3-2 OFF, OFF). Running that mismatched
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# setting on A4 stock was the cause of a repeatable skip (blank gap starting
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# 8 lines into the printed image, 6 lines tall - a 1in perforation-skip gap
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# at 6 lpi firing at the wrong spot because the printer's idea of the page
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# boundary drifted from the real one). The datasheet's "70 lines/6 lpi"
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# page-length option (70 lines * 1/6 in = 11.67in) matches this A4 sheet
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# length far more closely than the 11-inch option and is what SW3-1/3-2
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# should be set to for this arrangement instead - see epson5kp-dipsettings.md
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# for the fanfold DIP baseline this varies from.
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PRINTER_MAX_LINES=70
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PRINTER_MAX_COLS=80
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