User guide

6.2.4 Print-related Problems

Printer cannot print in color.

i Check that the color ribbon (LA75R-KC) is installed.

ii Check that the proper control sequences are sent to the printer. (See

the English-language Appendix C.)

Font cartridge has been installed, but the printer is still using

internal Courier fonts.

i Switch off the printer and check that the font cartridge has been

correctly inserted.

ii Check that the font cartridge has been selected in the printer Set-

up (see the English-language Appendix A), or that proper control

sequences are sent to the printer (Appendix C).

Print faint or of poor quality.

i Is the paper thickness control set correctly for the paper you are using?

Adjust as necessary. See Section 3.3 in Chapter 3.

ii Have you used the correct paper? See Section 7.5 in Chapter 7 which

contains a full speciﬁcation of the paper you can use. Replace the paper

if it does not match the speciﬁcation.

iii Make sure that the ribbon is tensioned correctly.

iv Make sure that the ribbon is of the correct type. (See Section 7.5).

v Does the ribbon need changing? Replace it with a new ribbon if

necessary.

vi Is the ribbon cartridge properly seated? Reseat as necessary.

Character or characters do not print evenly or are not uniform in

pitch.

i Examine the paper pathway for dirt or other obstruction that may

cause the gap between printhead and platen to vary. Remove the

obstruction.

Print lines overlap.

i Examine the paper pathway for dirt or other obstruction that may

prevent the platen from rotating freely. Remove the obstruction.

ii Make sure that the paper release lever is set fully to the front or to the

rear and not in an intermediate position.

iii Make sure that the platen can rotate freely by moving the platen

knob.

Maintaining the Printer 6–5