
77259L Rev. 4 12/16/03 Z4M/Z6M Maintenance Manual Page 4-47
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1. Turn the printer Off (O) and disconnect the AC power cord.
2. Open the media door and remove media and ribbon from the printer.
3. Refer to Figure 4-15. Remove the electronics cover by removing the two screws that
secure the cover to the printer.
4. Refer to Figure 4-38. Cut the cable ties that hold the media sensor wires along with
other wires up to the main logic board. Disconnect the media sensor connector from
the main logic board and feed the wires with the connector through the access hole
in the frame.
Figure 4-38. (Reflective) Media Sensor Connection to Main Logic Board
5. Cut the cable ties that holds the media sensor wires inside the wireway of the platen
roller assembly. Gently snap off the platen assembly latch cover.
6. Slide the media sensor carrier all the way out until it stops, gently press down on the
carrier and slide the carrier out until it drops off the platen casting.
7. Refer to Figure 4-39. Locate the two tabs that hold the media sensor to the carrier.
Gently pull out on the tabs to release the sensor from the sensor carrier. Remove the
sensor along with the insulator, spring, button, wires, and connector.
Caution • This installation must be performed by a qualified service technician.
Caution • Observe proper electrostatic safety precautions when handling any
static-sensitive components such as circuit boards and printheads.
Reflective Sensor Cable
Access Hole
e Sensor
tor to the
ic Board
6)
P6
Route
S
Cable
Main Logic
Board Bracket
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