7-12   
Troubleshooting
Sun-E+
Rev. C
A5 size Chap7.fm
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The printer makes noise, but nothing prints or printing stops 
abruptly
Cause What to do
The paper thickness lever is 
set incorrectly.
Set the paper thickness lever to match 
the thickness of your paper. See 
“Setting the Paper Thickness Lever” 
in Chapter 2.
The ribbon has too much 
slack, the ribbon has come 
loose, or the ribbon cartridge 
is not installed properly.
Remove any slack in the ribbon by 
turning the ribbon-tightening knob, or 
reinstall the ribbon cartridge as 
described in Chapter 1.
The printout is faint.
Cause What to do
The paper thickness lever is 
set incorrectly for your 
paper.
Move the paper thickness lever to a 
lower setting.
The ribbon is worn out. Replace the ribbon cartridge as 
described in Chapter 1.
The printout has gaps.
Cause What to do
The paper thickness lever is 
not set correctly.
Set the paper thickness lever to match 
the thickness of your paper. See page 
2-4 for continuous paper, or page 3-3 
for single sheets.