Seiko label printer missing part of text on left hand edge

[k829king]

I have a Seiko Smart Label Printer SLP100

I have downloaded source from a couple sites, the contents are near identical.

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https://github.com/fawkesley/smart-l...p-linux-driver
https://github.com/danieloneill/SeikoSLPLinuxDriver
https://siibusinessproducts.com/supp...ver-downloads/

Compiled and installed into CUPS selecting label size SLP-2RL (this is on Debian 10 LXDE)

It prints all okay except the left hand edge of the first character of every line is missing.

If you imagine a capital T then the vertical part of it is partially visible and the top of the T is only visible to the right of the stem.

I've printed by just dumping a text file via

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lp -d SII_SLP100 -o orientation-requested=4 TestSLP100.txt

with contents as

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This is a text file printed
test
printed
from 
This file

or via LibreOffice Writer with a page set to the dimensions of the label.

If I increase the margins of the label it just moves all the text accordingly for an increased margin but still is missing that very fine amount from left hand side.

I've also tried amending the PPD and reloading into cups, so I currently have

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*PageSize AddressSmall/Address - Small (SLP-1RL, SLP-2RL): "<</PageSize[236 68]/ImagingBBox null>>setpagedevice"
*PageRegion AddressSmall/Address - Small (SLP-1RL, SLP-2RL): "<</PageSize[236 68]/ImagingBBox null>>setpagedevice"
*ImageableArea AddressSmall/Address - Small (SLP-1RL, SLP-2RL): "2 2 232 64"
*PaperDimension AddressSmall/Address - Small (SLP-1RL, SLP-2RL): "236.160003662109 68.400001525879"

If I adjust the ImageableArea values it is like changing the margins in LibreOffice, the text still all comes out respecting the new margin/boundary and looks exactly the same each time just shifted left or right accordingly but is always missing this very fine amount from left hand side.

Even if I edit the text file to have two spaces at start of every line, it still prints out the same.

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  This is a text file printed
  test
  printed
  from 
  This file

with the very left hand edge of all the first characters missing.

Is there something with the ppd I am missing?

[arzgi]

Compiled and installed into CUPS selecting label size SLP-2RL (this is on Debian 10 LXDE)

No need to compile CUPS as it is in stable's repo.

http://www.openprinting.org/printer/Seiko/Seiko-SLP-100 has some discussion, don't know if relevant to you.

Is the default paper size correct?

CUPS is manageable at

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localhost:631

You have to belong to lpadmin group to install and delete printers.

Quite generic info, worth checking anyway.

[k829king]

I have worked around the issue because I finally deduced that for whatever reason the the lefthand edge of the label was the last thing being printed (different to previous distro/cups), so I rotated by 180degrees and ensure I have some padding with some extra dots at end. CUPS appears to be truncating the print and or ignoring the linefeed option.