Intermec EasyCoder 301 – Service Manual Ed. 3
37
Chapter 8
8. Media Take-Up
8.1
Media Take-Up
Unit
Description
The media take-up unit is almost identical to the ribbon rewind unit
(see chapter 6.3) and is used to wind up the backing paper (liner)
after the labels have been peeled off at the tear-off edge. It is not
fitted on the LinerLess model.
The media take-up unit consists of a spool on a shaft running
through a bearing pressed into the centre-line wall. The shaft is
driven via a tooth belt from the stepper motor (see chapter 7.4). The
tooth belt pulley attached to the shaft has a one-way clutch, so the
backing paper will not get slack when the stepper motor is reversed.
On the outer side of the centre-line wall is a spring brake plus a disc
that is pressed against the centre-line wall by three small springs
fitted in the holes labelled “M” in the disk brake. These two breaks
allow the spool to be rotated manually to allow the operator to
manually wind up some of the backing paper and still prevent
causing motor overload if the paper should get jammed.
The U-shaped “media take-up pin” on the spool is used to hold the
backing paper. It can easily be pulled out for clearing the spool.
Note that many parts are identical in the ribbon unwind unit, the
ribbon rewind unit and the media take-up unit.
M
M
R
R
R
Circlip
Circlip
Washer
Shaft
Spring
Inner Spring Holder
Outer Spring Holder
Take-Up Spool
Leaf Spring
Complete assembly
Bearing
Tooth Belt Pulley
w. one-way clutch
Spring (3x)
Disk Brake
Avoid dismantling these parts!
Circlip
Take-Up Pin
Circlip
