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(10) If label paper is used, adhesive matter adhering to the cutter blade, thermal head,
paper transport, or paper holder may cause a cutting error, print error, or paper
transport error. Remove adhesive matter periodically (typically on a monthly
basis).
(11) If paper is left inserted in the printer for a long time, the paper may become
deformed and result in thin (faint) printed characters. Before starting printing
in such cases, feed the paper by 20 to 30 mm.
(12) If the type of paper used is other than the recommended ones, the print quality
and thermal head life are not guaranteed. In particular, if the type of thermal
paper contains Na+, K+, or Cl-, the thermal head life may be significantly
shortened.
Notes on using the cutter
(1) In full cutting mode, the length of paper per transaction must be within a range
of 58 to 180 mm. If a different paper length is used, the printed paper may not
drop from the paper transport, thus causing a cutting error.
(2) The maximum number of successive cuts by the cutter is 30 cuts per minute (at
least two seconds per cut). Using the cutter at a higher rate may cause a
failure.
(3) Do not pull the paper during cutting. Doing so may cause a paper jam or
another problem.
(4) Each time that a sheet of paper is cut in full cutting mode, the sheet of paper must
be removed.
Notes on printing of barcodes and two-dimensional codes
(1) Barcodes that are rotated 90 degrees or aligned vertically when printed may not
be readable. Verify the readability in advance.
(2) Printouts on label paper or thick paper may contain blurs, depending on
humidity and other environmental conditions. Adjust the print speed and print
density appropriate for the type of paper used, and verify the readability in
advance.
(See "Appendix C-3 Setting Up the Printer" in Appendix C, "Special Modes.")
(3) The recognition ratio of two-dimensional codes (QR codes, PDF417, and
DataMatrix) varies depending on various factors, including the module width,
print density, ambient temperature, thermal roll paper type, and reader
performance. Adjust the print speed and print density appropriate to printing
two-dimensional codes, and verify the readability in advance.
(See "Appendix C-3 Setting Up the Printer" in Appendix C, "Special Modes.")
(4) The paper transport accuracy may be negatively affected by printing a barcode
in the Upper margin at the beginning of paper transport or in the Lower
margin at the end of paper transport. Verify the readability before starting
printing.
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