Platen Pinch Roller Assembly Service Check - IBM 4247 Maintenance Information

6. Inspect the following parts for wear, damage, or binds. Repair as needed. Use knob (PN 08H7271), if
available, to hand cycle the paper feed mechanism to observe the parts. The knob installs on the left end of
the platen shaft.
v Upper feed roller gear
v Stacker Gear
v Stacker Feed Rollers
Stacker
Assembly
Stacker
Gears
Figure 76. Stacker. (Viewed From Left Side)
7. Return to the step that sent you here.

Platen Pinch Roller Assembly Service Check

Note: The platen pinch roller assembly opens for fanfold paper only. These rollers are always closed when the
ASF is operating.
The platen pinch roller assembly is used to open (lower) and close (raise) the platen pinch rollers. The rollers are
normally open (not touching the platen). When the rear push configuration is used, the rollers are closed (touching
the platen) to assist loading the first sheet of fanfold paper. To begin this service check, the rollers should be
Paper Bail
Upper Feed
Roller Gear
Chapter 5. Removals and Adjustments
323