Epson Lq680 User Guide

5
Troubleshooting      5-5
R4C4590
Rev. C
A5 size TRBLE.FM
10/30/00 Pass 1
R
Proof Sign-off:
Takahashi, Kono _______
Takahashi _______
Hoadley _______
Power supply problems
The control panel lights come on briefly, but then go off and 
stay off.
 Cause What to do
The printer’s voltage rating 
does not match the voltage of 
your electrical outlet.Check the printer and the outlet 
voltage ratings. If the voltages do not 
match, unplug the printer 
immediately and contact your dealer.
 
wWarning:
Do not...

5-6      Troubleshooting
R4C4590
Rev. C
A5 size TRBLE.FM
10/30/00 Pass 1
L
Proof Sign-off:
Takahashi, Kono _______
Takahashi _______
Hoadley _______
Single-sheet paper loading or feeding problems
The printer does not load single-sheet paper or does not feed 
it properly.
 Cause What to do
Tractor feeding is selected.  Select single-sheet feeding. For more 
information, see “Selecting a Paper 
Source” on page 2-2.
The paper on the paper 
guide is positioned too far to 
the left or right for the paper...

5
Troubleshooting      5-7
R4C4590
Rev. C
A5 size TRBLE.FM
10/30/00 Pass 1
R
Proof Sign-off:
Takahashi, Kono _______
Takahashi _______
Hoadley _______
The optional cut-sheet feeder does not feed your single-sheet 
paper properly.
Cause What to do
The cut-sheet feeder is not 
installed properly.Reinstall it as described in “Installing 
the cut-sheet feeder” on page A-3.
Too many sheets are loaded 
in the cut-sheet feeder. Load no more than 150 single sheets in 
the high-capacity cut-sheet feeder. See...

5-8      Troubleshooting
R4C4590
Rev. C
A5 size TRBLE.FM
10/30/00 Pass 1
L
Proof Sign-off:
Takahashi, Kono _______
Takahashi _______
Hoadley _______
Continuous paper loading or feeding problems
The printer does not load continuous paper or does not feed it 
properly.
Cause What to do
Single-sheet feeding is 
selected.Select tractor feeding. For more 
information, see “Selecting a Paper 
Source” on page 2-2.
Continuous paper is not 
loaded properly.See Chapter 2 for instructions on 
loading continuous...

5
Troubleshooting      5-9
R4C4590
Rev. C
A5 size TRBLE.FM
10/30/00 Pass 1
R
Proof Sign-off:
Takahashi, Kono _______
Takahashi _______
Hoadley _______
Printing position problems
Printing starts too high or low on the page.
 Cause What to do
The paper size setting in your 
application software or 
printer driver does not match 
the size of the paper you are 
using.Check the paper size setting in your 
application or printer driver.
The printer’s page length 
settings for the tractor do not 
match the size...

5-10      Troubleshooting
R4C4590
Rev. C
A5 size TRBLE.FM
10/30/00 Pass 1
L
Proof Sign-off:
Takahashi, Kono _______
Takahashi _______
Hoadley _______
The printer prints on or too far away from the perforation of 
your continuous paper.
 Cause What to do
The printer you want to use is 
not selected in your software.Choose the correct printer from the 
Windows desktop or in your 
application before printing.
The paper size setting in your 
application or printer driver 
does not match the size of the...

5
Troubleshooting      5-11
R4C4590
Rev. C
A5 size TRBLE.FM
10/30/00 Pass 1
R
Proof Sign-off:
Takahashi, Kono _______
Takahashi _______
Hoadley _______
Printing or printout quality problems
The printer does not print when the computer sends data.
 Cause What to do
The printer is paused. Press the Pause
 button.
The interface cable is not 
plugged in securely.Check that both ends of the cable 
between the printer and the computer 
are plugged in securely. If the cable is 
connected correctly, run a self...

5-12      Troubleshooting
R4C4590
Rev. C
A5 size TRBLE.FM
10/30/00 Pass 1
L
Proof Sign-off:
Takahashi, Kono _______
Takahashi _______
Hoadley _______
The printout is faint.
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 
“Adjusting the Paper Thickness 
Lever” on page 2-6.
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...

5
Troubleshooting      5-13
R4C4590
Rev. C
A5 size TRBLE.FM
10/30/00 Pass 1
R
Proof Sign-off:
Takahashi, Kono _______
Takahashi _______
Hoadley _______
Lines of dots are missing in the printout.
Cause What to do
The print head is damaged. Stop printing and contact your dealer 
to have the print head replaced. 
 
cCaution:
Never replace the print head yourself; you may damage the printer. Other 
parts of the printer must also be checked when the print head is replaced.
All the text is printed on the same...

5-14      Troubleshooting
R4C4590
Rev. C
A5 size TRBLE.FM
10/30/00 Pass 1
L
Proof Sign-off:
Takahashi, Kono _______
Takahashi _______
Hoadley _______
The printout has extra blank lines between lines of text.
Cause What to do
Two line feed commands are 
being sent at the end of each 
line of text.Turn off the auto line feed setting 
using the printer’s default-setting 
mode or the EPSON Remote! utility. 
See “About Your Printer’s Default 
Settings” on page 4-3 or “Using the 
EPSON Remote! Utility” on page...