Problems with the print quality, Print is too pale, Smudged print – Dascom LA550W User Guide User Manual
Page 109: Prints undefined characters, Dots within characters are missing
User guide
Troubleshooting
101
Problems with the print quality
Problem
Corrective action
Print is too pale
1 The ribbon is used up or the ribbon cassette is not correctly fit-
ted. Refer to the section
2 The print head to platen gap is not correctly set, refer to the sec-
tion
Setting the print head gap (page 39)
3 For printers with the AGA = ON: Enter a correction value <0.
See the section
Setting the print head gap (page 39)
Smudged print
1 The ribbon is damaged (e.g. frayed). Change the ribbon as de-
2 The print head gap is too small, increase the gap. See the sec-
tion
Setting the print head gap (page 39)
For printers with AGA = ON: Enter a correction value >0 (cor-
rection value 0 to +10). See the section
Prints undefined characters
1 Check that the interface plug is correctly connected to the com-
puter and to the printer.
2 Check that the proper emulation and the correct character set
(country, CG table or character set) is selected in the Setup
menu.
3 Check the length of the interface cable, see section
4 Set CX-bid in the advanced menu to Off, see section
Bidirectional parallel interface (CX-bid)
5 Check that the printer is properly adapted to the computer (con-
figured). Refer to section
(page 20). Check
the parameter set in the Setup menu under
(page 53)and if necessary correct it.
The first line is not completely
printed out at the top
Check the function FormAdj. Refer to the section
Dots within characters are
missing
1 Check whether the ribbon is damaged, if necessary replace it.
See the section
2 Set the correct print head gap.
3 Check whether the platen is damaged.
4 Check whether the print head is damaged.
We recommend to use genuine ribbon cassettes only. In
case of points 3 or 4, please contact your dealer.