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2. With the printer powered on, look at the back of the tractor sensor. In a darkened room, you should be able to
see the red dot of the light emitting diode (LED). If the LED is not lighted, verify that the tractor is plugged
correctly into the electrical socket. If you determine the mechanical connection is adequate but the LED is not
lighted, replace the tractor assembly.
3. Verify the sensor can read the tractor holes in the forms.
a. Mount forms onto the tractor pins.
b. While holding the paper in place, advance the forms by hand cycling the upper feed roller.
c. Ensure the sensor is positioned so the LED light passes through the tractor holes.
d. If adjustment is indicated, loosen and retighten the sensor.
e. If adjusting the sensor does not correct the condition, replace the tractor assembly.
Paper Path Service Checks
Main Paper Drive Check and Adjustment
1. Power off (O) the printer.
2. Check the paper bail setting.
The paper bail is removed from the printer when the rear pull forms path is used.
When the paper bail is installed, ensure that it is as shown here.
Chapter 5. Removals and Adjustments
301
Содержание 4247
Страница 1: ...4247 Printers Maintenance Information Document Number SA24 4400 05 Part Number 27P8450 IBM ...
Страница 241: ...e90apc15 Figure 24 Main Input Power Supply Ground Chapter 3 Circuit Diagrams 241 ...
Страница 257: ...Figure 32 Stacker Motor Wiring Chapter 3 Circuit Diagrams 257 ...
Страница 261: ...Stacker Cable Wiring Figure 36 Tractor Assembly Cable Wiring Chapter 3 Circuit Diagrams 261 ...
Страница 266: ...Locations and Orientations Logic Board Microcode Module Locations and Orientation Model A00 Chapter 4 Locations 266 ...
Страница 348: ...7 Remove the side cover screws and side covers Figure 96 Top Cover Chapter 5 Removals and Adjustments 348 ...
Страница 498: ...Table 75 Store Mode Quit Save Current Manufacturing Default Appendix A Printer Configuration 498 ...
Страница 501: ...E90AX003 Figure 196 Coax Configuration Printout Part 1 of 2 Appendix A Printer Configuration 501 ...