4.4.11. Sensors Circuit
The printer has three photo sensors: Registration sensor, Top sensor and Exit sensor.
4.4.11.1. Registration Sensor Circuit
Registration sensor detects that the media is in front of the Registration Roller. When the registration sensor detects the media,
nREGSEN signal changes from high level to low level.
4.4.11.2. Top Sensor Circuit
Top sensor detects that the media has past the Registration Roller. When the top sensor detects the media, nTOPSEN signal
changes from high level to low level. This nTOPSEN signal is used for printing start trigger and Top Margin Adjustment.
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KX-P7105 / KX-P7110