The processs of Large Format Printing

 

About

This video shows you the entire process of printing large format posters.

Video Transcript

Businesses looking to advertise will
often find a printing company to
produce a large poster or banner.

The quality of large format printing is
better than ever thanks to digital printing
technology.
Commercial equipment can typically print
a banner up to 16 feet high by 150 feet
wide if the required size is larger.

It’s
printed in section then join together by a
pre-press technician preparing the clients
design for printing adjusting colors
sectioning.

There is a blank border around the design because
the machines can’t print all the way to
the edge. Then it’s time to load a roll
to roll printing machine with weather
resistant vinyl mesh.

They feed the leading edge of the roll
into the Machine and pull it through the
output end.

This aligns the vinyl so that
the printing won’t come out crooked they
slip a cardboard tube over the roller
which will receive the printed vinyl and
tape on the leading edge.

This job require printing on a rigid material so
they’d be using a flatbed printer rather
than the roll to roll both machines
print with inkjet technology

The process is similar to a home computer printer
however rather than using dye-based inks
they’re typically solvent based.

They’re designed to withstand outdoor
conditions for three to five years.

The machine uses the standard inkjet colors
black yellow cyan and magent.

It also includes light cyan and light magenta to provide additional shade variations.

The machine has 12 print heads two per color.
Each head has 256 nozzles.

 

See more of this at Large Format Printing NYC | New York Large Printer Services & Company – VSLPrint

 

Once a day, they’re put through a full cleaning
procedure to prevent clogging.

The printhead moves back and forth
across the vinyl.

The computer guides the
individual nozzles to deposit dots of
ink at specific spots.

All those colored
dots together form the printed design.

The first six inches that the machine prints
are color bar tests to make sure that
every nozzle is working properly.

The printing of the actual design follows
the printed vinyl banner that exits the
machine and winds around the receiving
roller.

They mount the roll onto another
machine which trims off the excess vinyl
and the bleed with rotary blades.

When the banner is comprised of sections
,workers connect them first when they align
the edges then they bind the joint
temporarily with masking tape.

They flick a switch to project laser
lines which indicate the width and
center of the weld.

The weld will
permanently connect the sections on the
reverse side turning the banner face
down.

The workers align the joint with the
centerline, a magnetic strip secures the banner to the table to prevent it from
shifting and a vacuum pulls the banner.

At the same time a hot-air welder
fuses the joint with heat activated
adhesive tape. They then flip the banner
face up again and remove the temporary
tape

The last step is to reinforce the
perimeter with webbing.

The material is used
for seat belts. This gives the banner a nice finished
edge.

It also creates a strong border in
which to secure grommets for hanging the
banner.

Workers apply the grommets
manually with the pneumatic press.

A banner typically has a grommet every 24
inches plus three in each corner
to hang the banner.

You run bungee cords
through the grommets bolt-on then hook
the ends.

The plates affixed to the
building facade a few screws for
reinforcement and you’re done

Wind
passes right through the tiny holes of
the vinyl mesh so the banner doesn’t
build up.

 

To learn more about large format printing, talk to this printing company from New York City, Varick Street Litho. Contact them at 121 Varick Street New York, NY 10013

 

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