Epson C I - 4 0 5 0 Printer User Manual


 
Troubleshooting and Diagnostics
5-11
If the printout or the character set is not ok, the following procedure can help to
clear the situation.
Action Result Check
Select and start PRINT Print not OK? - PAPER SOURCE
TEST 1 selection
- Ribbon tension and
condition
- Print head condition
Stop SELF TEST and No printing starts - Printer ONLINE
start external printing READY
- Interface cable for
proper connection
- Interface selection
Some characters not - Emulation
correct - Character set
- National version
- Word length
- Baud rate
- Parity bit
- Protocol
Font and pitch quality - Font
fault - Pitch
- Line space
Problem still there? - Call service