Xerox Phaser 7400DX User Manual

							Solving Print-Quality Problems
Phaser® 7400 Color Printer
4-17 2.Open the top cover.
Caution:Do not leave the top cover open for more than 10 minutes without covering the 
imaging units, as damage could result. Use the dark bag that came with the imaging unit or 
dark paper as a cover.
7400-055
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							Solving Print-Quality Problems
Phaser® 7400 Color Printer
4-18 3.Inspect the four LED bars for any foreign material.
4.Visually inspect the imaging units and remove any foreign material.
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							Solving Print-Quality Problems
Phaser® 7400 Color Printer
4-19 5.Close the top cover.
6.Turn the printer on.
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							Solving Print-Quality Problems
Phaser® 7400 Color Printer
4-20
Printed Area Does Not Fit on the Paper or Margins Are Incorrect
Problem
The printed area appears outside the margins on the page.
Solution
1.In the paper tray, verify that the paper is loaded correctly and paper guides are adjusted to 
fit the paper. For more information, see Loading Paper on page 3-8.
2.On the control panel, select Paper Tray Setup, and then press the OKbutton.
3.Select the tray you are using, and then press the OKbutton.
4.Verify that the tray is set to the correct paper size.
5.If the problem continues, use the Calibrate Margins page to shift the print area on the 
paper. The print area appears as a dashed rectangle on the Calibrate Margins page; the 
printer does not print outside this rectangle. 
a.On the control panel, select Troubleshooting, and then press the OKbutton.
b.Select Print Quality Problems, and then press the OKbutton.
c.Select Calibrate Margins, and then press the OKbutton.
d.Select Calibrate Margins Page, and then press the OKbutton.
e.Select the appropriate tray to calibrate, and then press the OKbutton.
f.Follow the instructions on the Calibrate Margins page.
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							Phaser® 7400 Color Printer
5-1
.
This chapter includes:
■Cleaning the Printer on page 5-2
■Adding Staples on page 5-5
■Emptying the Punch Waste Box on page 5-10
■Ordering Supplies on page 5-12
■Moving and Repacking the Printer on page 5-14
See also: 
Maintenance video tutorials at www.xerox.com/office/7400support
Replacing supplies video tutorials at www.xerox.com/office/7400support
Maintenance
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							Cleaning the Printer
Phaser® 7400 Color Printer
5-2
Cleaning the Printer
This section includes:
■Cleaning the Outside of the Printer on page 5-2
■Cleaning the LEDs on page 5-3
For safety information, see User Safety on page A-1.
Cleaning the Outside of the Printer
To remove stains, clean the outside of the printer using a soft, damp, cloth moistened with a 
mild neutral detergent. Do not spray detergent directly onto the printer.
Warning:To prevent electric shock, turn the printer off and unplug the power cord from the 
electrical outlet before cleaning the printer.
Use only an approved toner vacuum to clean the printer. Do not lubricate the printer with oil.
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							Cleaning the Printer
Phaser® 7400 Color Printer
5-3
Cleaning the LEDs
1.Open the top cover.
Caution:Do not leave the top cover open for more than 10 minutes without covering the 
imaging units, as damage could result. Use the dark bag that came with the imaging unit or 
opaque paper as a cover.
7400-055
7400-199
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							Cleaning the Printer
Phaser® 7400 Color Printer
5-4 2.Move the LED shutter to the right, and clean the four LED bars using the cleaning pad 
supplied with each new toner cartridge or with a soft, clean cloth.
3.Close the top cover.
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							Adding Staples
Phaser® 7400 Color Printer
5-5
Adding Staples
1.Open Door J on the front of the finisher.
2.Grasp the handle and pull the stapler out of the finisher.
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							Adding Staples
Phaser® 7400 Color Printer
5-6 3.To access the staple cartridge, rotate the small knob at the top clockwise until it stops.
4.Squeeze the tabs on each side of the staple unit, and then lift and pull the staple unit out of 
the stapler.
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