Xerox Phaser 6120 User Manual

Duplex Unit 144
Duplex Unit
Duplex (2-sided) printing can be performed automatically with the duplex unit 
and enough memory installed. See 
“Duplexing” on page 72.
Installing the Duplex Unit
1Turn off the printer.
To ensure the best print quality, install the memory module that was 
shipped with the Duplex Unit before installing the duplex unit. For 
information about installing the memory module, see 
“Dual In-Line 
Memory Module (DIMM)” on page 137.
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Duplex Unit 145
2Remove the two knockout plates.
3Prepare the duplex unit.
Before installing the duplex unit, open the duplex cover and check 
that the knobs are positioned vertically. After checking the knob, 
close the cover.
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Duplex Unit 146
4Install the duplex unit.
5Open the cover of the duplex unit.
Since the duplex unit is not yet secured to the printer, hold the 
duplex unit in place when opening its cover.
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Duplex Unit 147
6While pushing in the knobs, gently turn them clockwise until they are 
horizontal. The duplex unit is secured in place.
Make sure that both knobs are securely locked.
7Close the duplex cover.
8Enable the duplex unit in the driver. For instruction on enabling the duplex 
unit, see 
“Selecting Driver Options/Defaults (for Windows)” on page 17.
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Tray 2 148
Tray 2
If Tray 2 is installed, up to 500 additional sheets of A4/Letter-size paper can 
be loaded.
Installing Tray 2
Note:
Since consumables are installed in the printer, be sure to keep the 
printer level when moving it in order to prevent accidental spills.
1Turn off the printer and disconnect the power cord and interface cables.
2Prepare Tray 2.
Be sure to place Tray 2 on a level surface.
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Tray 2 149
3Lift the printer and place it on top of Tray 2, making sure that the 
positioning pins on Tray 2 correctly fit into the holes in the bottom of 
the
 printer.
4Enable the Tray 2 in the driver. For instruction on enabling Tray 2, 
see
 “Selecting Driver Options/Defaults (for Windows)” on page 17.
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Appendix
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User Safety Summary 151
User Safety Summary
Your printer and the recommended supplies have been designed and tested 
to meet strict safety requirements. Attention to the following information 
ensures the continued safe operation of your printer.
Electrical Safety
„Use the power cord supplied with your printer.
„Plug the power cord directly into a properly grounded electrical outlet. 
Make sure each end of the cord is securely connected. If you do not know 
if an outlet is grounded, ask an electrician to...

User Safety Summary 152
The power cord is attached to the printer as a plug-in device at the back of the 
printer. If it is necessary to disconnect all electrical power from the printer, 
disconnect the power cord from the electrical outlet.
WARNING!
Do not remove the covers or guards that are fastened with screws unless you 
are installing optional equipment and are specifically instructed to do so. 
Power should be OFF when performing these installations. Except for user-
installable options, there are...

User Safety Summary 153
Operational Safety
Your printer and supplies were designed and tested to meet strict safety 
requirements. These include safety agency examination, approval, and 
compliance with established environmental standards.
Your attention to the following safety guidelines helps to ensure the 
continued, safe operation of your printer.
Printing Safety Guidelines
„Wait 10-15 seconds between turning the printer off and on.
„Keep hands, hair, neckties, etc., away from the exit and feed...