Service manual

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• Characters are wrong or missing; formatting control codes do not work
Check Possible remedy
Problem with the application Refer to your application program manual.
program.
Some wires are missing from Printer needs repair.
the print head.
Wrong default setting with Check the current EDS setting. Modify the
EDS switches. EDS setting.
• Dots are missing or print quality is poor
Check Possible remedy
Adjustment lever is set incor- Check the position of the adjustment lever.
rectly. See Chapter 3.
Print head is not working. Printer needs repair.
• Forms are smudged or printing is too dark
Check Possible remedy
Adjustment lever is set incor- Check the position of the adjustment lever.
rectly. Move the lever to a lighter setting (front).
See Chapter 3.
Ribbon is twisted or is not Install the ribbon correctly. See “Installing
between the print head and the ribbon cartridge” in Chapter 2.
the print head shield.
Print head shield (or print See “Installing the ribbon cartridge” in
head) is damaged or missing. Chapter 2 to locate the print head shield
and print head. Contact your dealer.
• Line length is wrong; Graphics do not print; Lines are not starting at left
margin
Check Possible remedy
Problem with the application Refer to your application program manual.
program.