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EPSON
EPSON AMERICA, INC.
SERVICE
PSB NO.: P-0020
S U B J E C T : L Q - 8 5 0 / 1 0 5 0 P A P E R T H I C K N E S S L E V E R
Reports from the field and from various repair locations show
that a large percentage of print head failures could be caused by
an
incorrect
general guide lines for selecting the correct lever position to
match your paper usage.
PAPER TYPE
Single
Thin
Multi-Part
2 sheet
3 sheet
4 sheet
Labels
Envelopes
Airmail
Plain
Bond (20 lb.)
Bond (24 lb.)
The higher the number, the thicker the paper. The lever adjusts
the distance between the platen and the print head. If the lever
is set beyond the recommended position, the dot wire will extend
further from the face of the printhead, put stress on the wire,
and increase the possibility of dot wire damage. Over adjusting
to improve print darkness,
needs
replacing,
Using
the
recommended
to the print head and the best possible print quality.
Figure 1.1 shows the location of the lever on the LQ-850/1050
printer. Figure 1.2 shows a label that will be added to future
LQ-850/1050
setting.
EPSON
AMERICA
P
RODUCT
D A T E : 5 / 6 / 8 8
paper
thickness
Sheet
or
Continuous
paper
can
damage
lever
printers
to
further
SERVICE,
23610
S
B
UPPORT
ULLETIN
setting.
The
using an old ribbon that needs
the
printhead.
setting
will
provide
emphasize
TELO
AVENUE,
PAGE: 1
of
following
table
LEVER
POSITION
3
4
4 or 5
7
the
longest
the
correct
lever
TORRANCE,
CALIF.
2
shows
life
90505