Note: If two tractor assemblies are installed for a push-pull configuration, then both tractor drive gears will be in
the drive position when paper is being fed.
1. Power off (O) the printer.
2. Locate and remove from the forms path torn pieces of paper or other foreign material that can cause
forms jams.
3. Inspect the following parts for wear, damage, or binds. Replace the tractor assembly, if indicated.
v
Belts and tractor pins
v
Doors and door springs
v
Supports
v
Latches
v
Drive and idler gears
v
Connector
Drive Gear
(In Standby
Position
For Rear
Installation)
Idler
Gear
Printer
Selector
Gear
Figure 82. Tractor In Standby Position, Rear. Tractor shown installed in rear position, with drive gear not engaged
(right end cover removed, for clarity).
Chapter 5. Removals and Adjustments
329
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 ...