Replacing The Drive Roller - Hitachi HT-4139-28 Maintenance Manual

REV0 10.02.15

8.3.15 Replacing the Drive Roller

① Remove the Main Cover (L) (R), the Side Cover (L)(R), and the Back Cover. For instructions, please refer to
"8.1 Preparation"
② Remove the Hopper ASSY. For instructions, please refer to "8.3.7 Replacing Hopper ASSY"
③ Remove the PS ASSY. For instructions, please refer to "8.3.1 Replacing PS ASSY"
④ Unscrew 2 bind-head screws on the Front Guide and remove Front Guide.
Bind-head screw
⑤ Remove the Guide (Lower Mirror), the Cover Glass ASSY. For instructions, please refer to "8.3.14 Replacing
the Cover glass assembly"
⑥ Unscrew 5 bind-head screws on the Lower Guide ASSY
⑦ Disconnect connector PC22
⑧ Disconnect connectors 20L, PC21, and PC31
⑨ Remove Lower Guide ASSY from the device.
Bind-heads
screw
Cover glass
GUIDE（Lower Mirror）
side view(Left) side view side view side view (Left) (Left) (Left)
-H8-24-
Connector(PC11）
Lower Guide ASSY
Bind-head screw
PC22 Connector
Tools Needed: Magnetic Philips Screwdriver、
Long Nose Pliers、E-ring Removal
Front Guide
Bind-head screw
side view(Right) side view side view side view (Right) (Right) (Right)
Bind-head screw