Operator’s Guide 119

 

TROUBLESHOOTING CHART, CONTINUED

 

 

 

 

 

 

 

Problem

 

Probable Cause

 

Solution

 

 

 

 

 

 

Communications, continued

 

 

 

 

 

 

 

 

 

Problems When Using

1.

Loose or Bad Interface

1.

Check. If necessary, replace

 

Parallel Interface Only

 

Cable

 

interface cable.

 

 

2.

Bad Data

2.

Check data using hex dump

 

 

 

 

 

mode (Page 132).

 

 

3.

Electronics Failure

3.

Call for service.

 

 

 

 

 

 

 

Printhead Performance*

 

 

 

 

Printheads Click!**

Printhead Electronics

Call for service.

 

(Just When Printer is

Failure

 

 

 

 

 

 

 

 

Turned Off)

 

 

 

 

 

 

 

 

 

 

 

Carriage Speed Too

1.

Obstruction

1.

Check for and remove any

 

Slow

 

 

 

material impeding carriage.

 

 

2.

Belt Tension Too Tight

2.

Call for service.

 

 

 

or Loose, Bad Carriage

 

 

 

 

 

Bearing, or Electronics

 

 

 

 

 

Failure

 

 

 

 

 

 

 

 

Printhead Snags Ribbon

1. Worn Ribbon

1.

Replace ribbon (Page 100).

 

 

2.

Printhead or Electronics

2.

Call for service.

 

 

 

Failure

 

 

 

 

 

 

 

 

*If accompanied by beeping, see BEEPS.

**The sound of a printhead hammer or hammers striking paper.

Page 139
Image 139
Epson 4100 manual Printhead Performance