Paper Return Mechanism - Epson Stylus Pro 5000 Service Manual

Stylus Pro5000

2.1.1.5 Paper Return Mechanism

The purpose of paper return mechanism is to return the second paper, or
papers after the first paper to the paper tray by force, in case the multi-
feeding happens. When the Paper Load Roller rotate, this mechanism is
performed by conveying motive power to the transmission gears in order to
drive the Paper Return Lever by the timing belt .
S e c o n d P a p e r
F i r s t P a p e r
Figure 2-6. Paper Return Lever Operation
Rev. A
S u b R o l l e r
P F S u p p o r t R o l l e r
P a p e r R e t u r n L e v e r
I t p o p s o u t
a t p a p e r l o a d i n g
P a p e L o a d R o l l e r i n
w a i t i n g c o n d i t i o n
S e p e r a r i o n P a d
P a p e r L o a d R o l l e r i n t h e p a p e r
l o a d i n g c o n d i t i o n
[Explaining the operation]
As it is shown in the figure2-6, when the paper loading starts, the Paper
Load Roller which was in the waiting mode rotates left and loads the top
paper from the pile of papers. Since paper loading is performed on the
Separation Pad, in many cases, even if multiple feeding occurs, the
different distance occurs between the head of the first(top) paper and
second one.
The head of the first paper reaches the friction between the Sub Roller and
Paper Feed Support Roller, and as soon as it goes to the state that the
paper is about to be transferred not by the rotation of Paper Load Roller
but the rotation of Sub Roller, the Paper Return Lever jumps out as it is
shown in the figure and kicks back the following paper(s), which is(are)
attached to the first(top) paper by static electricity, to the tray inside.
Chapter2 Operating Principles
2-8