Hitachi HT-4139-28 Maintenance Manual page 95

REV0 10.02.15
8.3.21 Replacing the Detection Units
■ Replacing the Sensor (PC11 Emission) and Photo Micro Sensor(L/L Sensor) ASSY
⑧Remove the Top Cover, the Main Cover (L)(R), the Side Cover(L) (R), and the Back Cover. For
instructions, please refer to "8.1 Preparation"
⑨Remove the Hopper. For instructions, please refer to "8.3.7 Replacing the Hopper"
⑩Unscrew 2 screws on the Front Guide and remove the Front Guide.
⑪ Remove PC11L/L ASSY
Front Guide
#58 Photo Micro Sensor
（L/L Sensor）
⑫ Disconnect the sensor from connector
⑬ Remove the sensor;
- Remove the clips attached to the Sensor ( PC11 Sensor Side) and remove the Sensor
- Remove the clips attached to the Photo Micro Sensor ASSY (L/L Sensor) and remove the Photo
Micro Sensor ASSY.
⑭ Attach new Sensors
⑮ Take the reverse steps to attach the Sensor
CAUTION CAUTION CAUTION CAUTION
When you install the PC11LL ASSY refer to the photo below.
PC11LL ASSY
⑯ After replacing the part, run Auto Calibration Test.(refer to Chapter6)
-H8-32-
#54 Sensor
（PC11Emission
PC11LL ASSY
Install the PC11LL ASSY pushing it in the
direction of the arrow.
Tools Needed: Magnetic Philips Screwdriver (No.2),
Long-nose Pliers
Hook
PC11LL ASSY