SATO S84 ex - Replacing the Timing Belt of Ribbon Motors

5 Replacement
80
S84-ex/S86-ex Service Manual
5.9.2 Replacing the Timing Belt of Ribbon Motors
Required tools:
• Phillips screwdriver
• Thin shaft
1 Make sure that the printer is in power off mode, then disconnect the power cord from
the AC outlet.
2 Open the rear housing covers from the printer.
Refer to Section 5.1.1 Opening the Rear Housing Cover for details.
3 Remove two screws  attached to the
pulley bracket  and then the screw 
attached to the ribbon rewind
spindle  on the other side.
To remove the screw  easily, insert a thin
shaft into a hole through the ribbon rewind
spindle
 as shown on the picture. Then hold
the ribbon rewind spindle
 while removing
the screw
.
4 Remove the bearing  and pulley bracket .
5 If you need to replace the timing belt of the ribbon rewind motor, perform steps 6
through 8.
6 Disconnect the ribbon rewind cable .
7 Remove two screws  attaching the ribbon rewind motor  to the printer frame.
52
8
6
7
7
10
11
13
9
1 13
12
4
Thin shaft