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
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
Stacker
Assembly
Paper Bail
Upper Feed
Roller Gear
Stacker
Gears
Figure 76. Stacker. (Viewed From Left Side)
Chapter 5. Removals and Adjustments
323
Summary of Contents for 4247
Page 1: ...4247 Printers Maintenance Information Document Number SA24 4400 05 Part Number 27P8450 IBM ...
Page 241: ...e90apc15 Figure 24 Main Input Power Supply Ground Chapter 3 Circuit Diagrams 241 ...
Page 257: ...Figure 32 Stacker Motor Wiring Chapter 3 Circuit Diagrams 257 ...
Page 261: ...Stacker Cable Wiring Figure 36 Tractor Assembly Cable Wiring Chapter 3 Circuit Diagrams 261 ...