4-2 (E)
UP-D898MD/X898MD
4-3. KY-711 Board
The KY-711 board is a key button board that mounts an LCD (including a driver), menu lever, and rotary
encoder. It also the sensor circuit below.
. Photosensing block of paper edge sensor
4-4. SE-1142 Board
The SE-1142 board mounts the sensor circuits below. It also performs the relay between MA-195 and
SE-1143 boards.
. Door sensor
. Head position sensor 1
. Head position sensor 2
. Light-emitting block of paper sensor
4-5. SE-1143 Board
The SE-1143 board mounts the sensor circuits below.
. Light-emitting block of paper edge sensor
. Photosensing block of paper sensor
4-6. SU-167 Board
The SU-167 board is used to fix a DC motor.
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