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Section 7: Replacement Procedures
M84Pro Service Manual PN 9001111A Page 7-20
LABEL-OUT SENSOR SWITCH REPLACEMENT
The label-out sensor switch detects the presence of print media and sends an error signal to the
processor should the absence of print media be detected. The switch is of a simple on/off variety
that is wired. If print media is present it will depress the switch into the closed position. However,
if print media is not present, the switch will not be depressed and the non-depress state is the on
position.
1 Switch off the printer and disconnect the power supply cord.
2 Open or remove the top, left, right, and front housing covers.
3 Remove ribbon and media to provide free access to label-out sensor (1, Figure 7-15).
4 Remove two screws (2), (3), and (4) from side frame (5).
5 Remove one screw (6) from side frame bracket (7) to permit side frame (5) removal.
6 Remove two screws (8) securing label-out sensor switch (1).
Figure 7-15, Label-Out Sensor Switch Replacement
NOTE: Figures 10-1, 10-2, and 10-3 of the Daigrams & Schematics section
provides guidance on housing cover, media, and ribbon removal.
2
3
2
8
1
5
4
3
4
3
6
7
2