Operator’s Guide 119
TROUBLESHOOTING CHART, CONTINUED
Problem Probable Cause Solution
Communications, continued
Problems When Using
Parallel Interface Only
1. Loose or Bad Interface
Cable
2. Bad Data
3. Electronics Failure
1. Check. If necessary, replace
interface cable.
2. Check data using hex dump
mode (Page 132).
3. Call for service.
Printhead Performance
*
Printheads Click!
**
(Just When Printer is
Turned Off)
Printhead Electronics
Failure
Call for service.
Carriage Speed Too
Slow
1. Obstruction
2. Belt Tension Too Tight
or Loose, Bad Carriage
Bearing, or Electronics
Failure
1. Check for and remove any
material impeding carriage.
2. Call for service.
Printhead Snags Ribbon 1. Worn Ribbon
2. Printhead or Electronics
Failure
1. Replace ribbon (Page 100).
2. Call for service.
*
If accompanied by beeping, see BEEPS.
**
The sound of a printhead hammer or hammers striking paper.
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