Paper Suction Fan - Epson Stylus Pro 9000 - Print Engine Service Manual

EPSON Stylus Pro 9000

PAPER SUCTION FAN

The Paper Suction Fans are located behind the lower paper guide and suck air
through the holes in the guide. This keeps the paper from bulging as it feeds
through the printer and prevents ink smears. The table below relates fan speed
to various printer states and user actions.
Fan speed
Level 1 (low)
Level 2 (medium)
Fan goes from
Level 3 (high) to
Off, and then
back to Level 3
(high) during
paper setting
sequence
Off
Level 3 (high)
Technical Overview
Table 2-4. Fan Speeds
User action Printer action
User begins to load paper
User continues loading paper
User lowers Paper Release
Lever and presses Pause, or
user allows several seconds
to pass after lowering Paper Printer sets paper
Release Lever and printer
automatically ends "Pause"
state
Paper loaded and
— printer waiting for
print data
User sends print data Printing
Sensor state
Rear Paper Sensor ON
—
Front Paper Sensor OFF
Rear Paper Sensor ON
—
Front Paper Sensor ON
Depends on paper's location
while being set
Rear Paper Sensor ON
Front Paper Sensor ON
Depends on paper's location
while printing
LCD message
"Load Paper" if Paper
Release Lever UP
"Paper Out" if Paper Release
Lever DOWN
"Load Paper" if Paper
Release Lever UP
"Press Pause Button" if Paper
Release Lever DOWN
"Wait"
"Ready"
"Printing"
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