Lexmark C920 User Manual

Aligning the optional finisher
41
Installing and removing options
If you previously lowered or raised the guide rail plate, the thumbscrews will already be loose.
2Rotate the rear adjustment knobs to equally align the top and bottom of the finisher with the printer.
To move the top of the finisher closer to the printer, rotate the adjustment knobs clockwise.
To move the top of the finisher away from the printer, rotate the adjustment knobs counterclockwise.
3Roll the finisher toward the printer until the...

Aligning the optional finisher
42
Installing and removing options
Aligning the top of the finisher
Follow these instructions if the alignment marks on top of the finisher are not aligned with the edges of the cover on the side 
of the printer.
Note:Any time you move the printer or finisher, recheck printer and finisher top alignment.
1Loosen the guide rail thumbscrews.
If you made previous adjustments, the thumbscrews will already be loose.
2Rotate the adjustment knobs as needed to raise or lower the...

Adjusting the finisher wheels
43
Installing and removing options
4Roll the finisher toward the printer until the finisher locks to the docking pins.
You hear a click when the finisher locks into position. 
Adjusting the finisher wheels
Adjust the wheels on the end of the finisher so the stand will remain aligned when moved.
To adjust and lock the wheels:
1Rotate the left and right upper adjustment knobs on the rear wheels until the wheels touch the floor.
To lower the wheels, rotate the adjustment knobs...

Removing the duplex unit
44
Installing and removing options
Removing the duplex unit
1Turn the printer off.
2Open the duplex unit door.
3Loosen the thumbscrews securing the duplex unit.
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Removing the duplex unit
45
Installing and removing options
4Slide the duplex unit out.
5Close the duplex unit door.
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Removing the high capacity feeder
46
Installing and removing options
Removing the high capacity feeder
1Turn the printer off.
2Unplug the high capacity feeder power cord from the electrical outlet.
3Disconnect the interface cable from the side of the high capacity feeder.
4Roll the high capacity feeder away from the printer.
5Remove the high capacity feeder from the guide rail.
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Removing the high capacity feeder
47
Installing and removing options
6Raise the guide rail and pull it away from the docking frame.
7Remove the wrench from the holder in the high capacity feeder.
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Removing the high capacity feeder
48
Installing and removing options
8Remove the four screws securing the docking frame.
9Insert the two side covers into the screw holes on the optional drawer until they snap into place.
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Removing an optional drawer
49
Installing and removing options
Removing an optional drawer
1Turn the printer off.
2Unplug the power cord.
Note:To prevent an electrical overload, plug your printer into a well-grounded outlet on a non-ground fault 
interrupter (GFI) circuit.
3Disconnect the USB or Ethernet cable from the printer.
If you have any other devices connected to the printer, turn them off and unplug any cables going to the printer.
CAUTION:This printer weighs 77–107 kg (170–235 Ib) and requires...

Removing an optional drawer
50
Installing and removing options
5Lift the optional drawer.
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