2. MAJOR UNIT REPLACEMENT
2.8 REPLACING THE MEDIA SENSOR
2.8 REPLACING THE MEDIA SENSOR
2.8.1 Feed Gap Sensor (TR) and Black Mark Sensor (Upper Side)
1)Open the top cover and raise the print head block.
2)Pull up the two tabs of the sensor case cap to remove it from the sensor block.
3)Remove the feed gap sensor (TR) and black mark sensor (upper side) from the sensor case. Disconnect the media sensor harness.
|
| Sensor Case Cap |
Tab |
|
|
Media Sensor Harness | A |
|
|
| |
Black Mark Sensor |
|
|
(Upper Side) |
| Feed Gap Sensor (TR) |
Sensor Case |
|
|
|
| Front side of |
| Hook | the printer |
4) Replace the sensors with new ones, then reassemble in the reverse order of removal.
NOTES: 1. When reassembling the sensor case cap, fit the hooks of the sensor case into portion A of the sensor case cap.
2.When reassembling the sensors, align the pins on the sensor case with the holes of the sensors.
3.Connect the harness including the green wire to the black mark sensor (Upper side).
4.Pass the media sensor harness between the harness guides.
Black Mark Sensor (Upper side) | Green | Sensor Case |
(Number of pins: 3) |
Pin
Sensor Guide
Feed Gap Sensor (TR) | Media Sensor Harness |
Front side of the printer
5.Since connectors of the sensors are small, be careful not to break their pins.