8. Ensure that the metal forms guide deflector is in the open (down) position. See Figure 57 on page 303.
9. Use a lint-free cloth to clean the jam sensor located on the tractor assembly.
10. Perform the platen pinch roller release service check. See “Platen Pinch Roller Assembly Service Check” on
page 323.
11. Return to the step that sent you here.
Manual Sheet Feed Path Check:
1. Locate and remove from the forms path torn pieces of paper or other foreign material that can cause forms
jams.
2. Inspect the following parts for wear, damage, or binds. 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. Install new
parts, as needed.
v
Lower feed roller assembly
v
Paper bail
Tractor Assembly
Gears (Cover
Removed)
Push-Pull
Selector in
Push Position
(Down)
Idler
Gear
Push Selector
Gear
Upper Feed
Roller Gear
Figure 71. Rear Push Path. (Viewed From Left Side) - Tractor Connector Not Shown
Chapter 5. Removals and Adjustments
317
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 ...