I Cartridge-door open switch

Test the cartridge-door open switch (SW501)

1.Open the cartridge door to activate the sensor. Figure 3-11Test the cartridge-door open switch

2.Check the control-panel display for sensor response.

3.If there is no response, make sure that the sensor-actuator tab on the door is not damaged or missing.

If necessary, replace the cartridge-door switch.

148 Chapter 3 Solve problems

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