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236 Troubleshooting Q1860-90918
Sensors and signals
The following figures show key components, sensors, and switches that control the operation of
the printer. Table 55 on page 237 shows the name of each sensor, switch, clutch, and solenoid in
the printer.
Figure 137. Paper path and components (see figure 131, figure 132, and figure 136 for accessories)
Figure 138. Paper path (dashed lines represent duplexer path)
Delivery rollers
Photosensitive drum
Feed belt
Registration roller
Fuser
Tray 1
pickup
roller
Feed
roller
Transfer roller
Tray 2 pickup roller
Optional 250-sheet tray
Optional 500-sheet tray
PS1306
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