3-24 Service Manual
5061
BASE SENSOR TEST
Use the Base Sensor Test to determine that the sensors located inside the printer are operating correctly. The
following sensors can be checked using this test:
Input—In-Line Media Clear
Input—S2 Media Clear
Fuser Exit Media Clear
NarrowMedia Media Clear
K TMC Sensor Not Closed (black)
C TMC Sensor Not Closed (cyan)
M TMC Sensor Not Closed (magenta)
Y TMC Sensor Not Closed (yellow)
See “Printer sensors” on page 5-3 for locations for these sensors. See “Cartridge contact assembly pin
locations (cyan, magenta and yellow)” on page 5-4 or “Cartridge contact assembly pin locations (black)”
on page 5-5.
To run the Base Sensor Test.
1. Select Base Sensor Test from BASE SENSOR TEST in the Diagnostics mode.
2. Select the sensor to test.
Open, Clear, Closed, or Not Closed may be displayed, depending on the sensor.
3. Manually toggle the sensors by hand to verify that each sensor switches from open to closed.
CAUTION
These sensors are near high voltage terminals to the print cartridge. Use a nonconducting
item to toggle these switches and not your hand.
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