Epson Lq 300 User Guide

							The paper does not eject properly.When using the pull tractor, tear off the paper entering the
printer, then press the LF/FF button to feed the paper forward.
When using the push tractor, tear off the paper at the last
printed page, then press the Font and LF/FF buttons together to
feed the paper backward.
When you switch between single sheets and continuous paper, the
beeper sounds once and the 
Pause light comes on.You may have tried to change the paper-release lever position
while paper remained in the printer. Return the paper-release
lever to the previous position and eject the paper. Then change
the paper-release lever position.
Options
When you use the cut-sheet feeder, the paper doesnot feed properly
The paper does not feed.The cut-sheet feeder may be incorrectly installed. Reinstall it as
described on page 2-29.
Make sure the paper-release lever is pushed back to the
single-sheet position.
You may have loaded too many sheets in the cut-sheet
feeder’s bin. Make sure the bin contains no more than 50 sheets.
Troubleshooting 3-9 
						

							Paper may be jammed near the print head. Look for a
paper jam and remove it.
Make sure the edge guide positions on the paper guide are
correct. Position the edge guides at the diamond-shaped guide
marks.
There may be only one sheet left in the bin. Add more paper.Two or more sheets feed at one time.You may have loaded too many sheets in the cut-sheet
feeder’s bin. Make sure the bin contains no more than 50 sheets.
You may have forgotten to fan the stack of paper before
loading it into the bin. Remove the paper and fan it.
The paper feed is crooked.The paper may be old or creased. Use only new, clean sheets
of paper.
There may be too much paper in the stacker.
Make sure the paper guides are set correctly and your paper is
the proper size and quality. See the Appendix for paper
specifications.
One page of your document has printed on two pages.Check that the page-length setting and lines-per-page setting in
your software are correct. See “Getting the results you expect”
on page 2-6.
3-10 Troubleshooting 
						

							Switching between the cut-sheet feeder and the push 
						

							The desired color or certain characters are not printed.Your software program may not be set up properly for color
printing. Use the program’s setup (or install) procedure to
check the printer settings and adjust as needed. If your
software program is capable of sending control codes, select
the color using the ESC r command. (See the “Command
Summary” in the Appendix.)
The top or bottom edge of the characters are a different color from
the rest.Check the characters printed in red. If the top edge is blue,
move the color ribbon adjustment lever forward. If the bottom
edge is yellow, move the lever backward. Then print another
self test to check your adjustment. Repeat this process until the
ribbon is properly adjusted.
The ribbon cartridge may not be installed properly. See
page 2-35.
3-12 Troubleshooting 
						

							AppendixPrinter Specifications .. . . . . . . . . .
.............
A-2
Printing . . . . . . . . . . . . . . . . . . . . . . .. . . . . . .. . . . . . ..............A-2Paper . . . . . . . .. . . . . . . . . .
.............
A-4
Mechanical .   .   .   .   . . . . . . . . .. . . . . . . . . . . . . . . . . . .............A-6Electrical . . . . . .. . . . . . . . . .
.............
A-7
Environmental . . . . . . . . . . . . . . . . . . . . . . . . . ..............A-7Safety approvals . .. . . . . . . . . .
.............
A-8Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . A-8
Parallel interface . . . . . . . . . . . . . . . . . . . , . . . . . . . A-8
Serial interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-8
Command Summary
..........................
A-10Sending printer commands....................
A-10Using the command summary
..................
A-10General operation
..........................
A-11Paper feeding
............................
A-11Page format
.............................
A-11Print position motion........................
A-12Font selection
............................
A-13Font enhancement
..........................
A-14Spacing
................................
A-15Character handling
.........................
A-16
Bit image...............................A-18Graphics
...............................
A-19Color printing
............................
A-19Character Tables
.............................
A-20Appendix A-1 
						

							Printer SpecificationsPrinting
Print method:24-pin impact dot matrix
Print speed:
QualityCharacters per inchCharacters/second/line*
Draft
10200
12240Letter
Quality1067
12
80* The paper-thickness lever position or an overheated print head may
slow down the printing speed.Printing direction:
Line spacing:Bidirectional logic-seeking for text and
unidirectional for graphics. (Bidirectional
for graphics can be selected with the Printer
Setting mode or a software command.)
1/6 inch, 1/8 inch, or programmable in
increments of 1/360 inch.
Paper feed speed:
Printable columns:
Input buffer:
Download memory:80 ms per 1/6-inch line; 3.3 inches/ secondwith continuous feed.
80 characters at 10 cpi; 96 char. at 12 cpi;
120 char. at 15 cpi; 137 char. at 17 cpi;
160 char. at 20 cpi8KB
10 KBA-2 Appendix 
						

							Character fonts:
Font10 cpi12 cpi15 cpiProportional
Epson
Draft
EpsonRoman
EpsonSons Serif
EpsonCourier
EpsonPrestige
Epson Script
I
Scalable fonts:
FontMin pt
Max ptIncrements
EpsonRoman
8322Pt
EpsonSans Serif8322Pt
Epson Roman T8322 Pt
EPSON Sons Serif H8322 Pt
Character tables:Character sets:One italic and eight graphic character tables.
(15 graphic character tables are available in
certain areas.)14 international character sets and one legal
character set
Color printing (optional):Method
Print ribbon shifting
Ribbon colorBlack, cyan, magenta, and yellow
Appendix A-3 
						

							PaperSingle sheets (CSF):Width:
Length:
Thickness:
Weight:
Single sheets (manualinsertion):
Width:
Length:
Thickness:
Weight:
Continuous paper:Width:
Copies:
Thickness:Weight:
182 to 216 mm (7.2 to 8.5 inches)
210 to 364 mm (8.3 to 14.3 inches)
0.07 to 0.12 mm (0.0028 to 0.0047 inch)
64 to 91 g/m2 (18 to 24 lb)   Use 90 g/m2 
(24 lb) paper only under
normal temperature and humidity
conditions.
148 to 257 mm (5.8 to 10.1 inches)
Max. 364 mm (14.3 inches)
0.065 to 0.14 mm (0.0025 to 0.0055 inch)52.3 to 90 g/m2 
(14 to 24 lb) paper under
normal conditions.
   Use 90 g/m2 (24 lb) paper only under
normal temperature and humidity
conditions.
101 to 54 mm (4.0 to 10.0 inches)Four sheets (one original plus three copies)
0.065 to 0.32 mm (0.0025 to 0.012 inch) total
52.3 to 82 g/m2 (14 to 22 lb) for one sheet
40 to 58.2 g/m2 (12 to 15 lb) per sheet inmulti-part forms
   Use only two- or three-part carbonless
multi-part forms fed with the tractor.
  When using side-crimped multi-part
forms, raise the paper guide to keep the
printing position accurate.
   When using the push tractor, the
printing position for the last page may
not be accurate because the page has
come off the tractor.
Note:
Use recycled paper under normal conditions only. If ribbon consumption or paper
jamming increase, use a higher grade of paper.A-4 Appendix 
						

							Labels:
Size:
Thickness:
Weight:
Envelopes:
Size:
Thickness:
Weight:Printable area:
Single sheets and envelopes
101 to 254 mm (4.0 to 10.0 inches) width forbacking sheet
63.5 x 23.8 mm (2.50 x 0.94 inches)minimum for a label
0.07 to 0.09 mm (0.0028 to 0.0031 inch) forbacking sheet
0.16 to 0.19 mm (0.0063 to 0.0075 inch) total68 g/m2 
(17 lb) for label only
    Use only continuous type labels and use
them only with the tractor.
    Use labels only under normal
temperature and humidity conditions.
No. 6:166 x 92 mm (6.5 x 3.6 inches)
No. 10: 240 x 104 mm (9.5 x 4.1 inches)
0.16 to 0.52 mm (0.0063 to 0.0197 inch)45 to 91 g/m2 
(12 to 24 lb)
   Use envelopes only under normal
temperature and humidity conditions.
A The minimum top margin is 5.3 mm (0.2 inch).
BThe minimum left margin is 3.0 mm (0.12 inch).
The minimum right margin is 3.0 mm (0.12 inch).
However, the maximum printable width is 203 mm (8.0 inches).
C The minimum bottom margin is 9.0 mm (0.35 inch).
Appendix A-5 
						

							Continuous paper
A TheareB The
The
‘BB’minimum top and bottom margins above and below the9.0 mm (0.35 inch).
minimum left and right margins are 13 mm (0.51 inch).
maximum printable width is 203 mm (8.0 inches).perforationMechanical
Paper-feed methods:
Ribbon:
FrictionPush tractor
Pull tractor
Push/pull tractor (with optional pull
tractor C80030*)
Cut-sheet feeder (option C80637*)
Type Life expectancy at 48-dot character
Black ribbon cartridge (#7753)2 million characters
Film ribbon cartridge (#7768)0.2 million characters
Color ribbon cartridge (SO1 5077)Black: 1 million characters
Cyan: 0.7 million characters
Magenta: 0.7 million characters
Yellow: 0.5 million characters
MTBF:Print head life:4000 power-on hours
200 million strokes/wire (black)
100 million strokes/wire (color)
A-6 Appendix