Hitachi HT-4139-28, Maintenance Manual

Page: 99 / 126

REV0 10.02.15
-H8-36-
■ Replacing the Prism
Replacing the Prism Replacing the Prism
Replacing the Prism（
（（
（PC41
PC41 PC41
PC41）
））
）
Tools Needed: Magnetic Philips Screwdriver (No.2)
①
Remove the Main Cover (L)(R). For instructions, please refer to “8.1 Preparation”
②
Unscrew 4 bind-head screws attached to the Eject Guide ASSY, and remove the Eject Guide ASSY. For
instructions, please refer to “8.3.5 Replacing the Scanner ASSY”
③
Unscrew 2 washer faced head screws
④
Unscrew 1 hexagonal washer faced head screw attached on the Prism (PC41 Sensor)
⑤
Replace it with a new Prism (PC41 Sensor)
⑥
Take the reverse steps to attach the Prism
⑦
After replacing the part, run Auto Calibration Test
hexagonal washer
Pinch Roller ASSY
Eject Guide ASSY
Washer faced
Heads screw
#57 Prism (PC41）
■
Replacing the Sensor (PC51 Emission)
Tools Needed: Magnetic Philips Screwdriver (No.2)
①
Remove the R Stacker. For instructions, please refer to “8.3.8 Replacing the Stacker”
②
Unscrew 1 hexagonal washer faced head screw attached to the Sensor (PC51), and disconnect the connector
from the Sensor (PC51 Sensor) and remove the Sensor (PC51 Sensor)
③
Replace it with a new Sensor (PC51 Sensor)
④
Take the reverse steps to attach the Sensor. Place the Sensor Cable as shown below.
⑤
After replacing the part, run Auto Calibration Test
Make sure to route the Sensor Cable in-between the space on the Sensor as shown below.
#55
Sensor (PC51 Emission)
Hexagonal washer
Here is passed.
Here is passed.
CAUTION
CAUTION CAUTION
CAUTION