Xerox Phaser 6128MFP User Manual

Copy-Quality Problems
Phaser® 6128MFP Multifunction Printer
131
Copy-Quality Problems
When the copy quality is poor, select the closest symptom from the following table to 
correct the problem.
If the copy quality does not improve after carrying out the appropriate action, contact 
Xerox Customer Support or your reseller.
Symptom Reason/Action
Lines or streaks only 
present in copies made 
from the ADFThere is debris on the small ADF glass. When scanning, the paper from the ADF 
passes over the debris...

Copy-Quality Problems
Phaser® 6128MFP Multifunction Printer
132
Copy is not crisp Change to text mode:
1. Press the Copy button on the control panel.
2. Select Document Type.
3. Select Te x t.
4. Click OK.
Copy color is not correct Change the copy defaults on the control panel:
1. Press the Copy button on the control panel.
2. Select Lighten/Darken or Color Saturation.
3. Adjust the settings.
4. Click OK. Symptom Reason/Action
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Color Registration
Phaser® 6128MFP Multifunction Printer
133
Color Registration
Color registration can be adjusted by the printer automatically, or you can manually adjust 
it. Color registration should be adjusted any time the printer is moved.
Automatic Color Registration Adjustment
Use the following procedure to perform automatic color registration adjustment.
Note: An automatic color registration adjustment is performed every time a new toner 
cartridge is installed.
1. Press the System button.
2....

Color Registration
Phaser® 6128MFP Multifunction Printer
134
Determining Values
From the lines to the right of the Y (yellow), M (magenta), and C (cyan) pattern, find the 
values of the straightest lines.
When “0” is the value nearest the straightest line, you do not need to adjust the color 
registration. When the value is not “0”, follow the procedure outlined in “Entering Values”.
Note: You can also use the densest colors of the grid to find the straightest lines. The colors 
printed at the highest...

Phaser® 6128MFP Multifunction Printer
135 This chapter includes:
 •Paper Jams on page 136
•Problems With the Printer on page 142
•Control Panel Error Messages on page 145
•Getting Help on page 151
See also: 
Troubleshooting video tutorials at www.xerox.com/office/6128MFPdocs
Print Quality on page 125
Troubleshooting
10
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Paper Jams
Phaser® 6128MFP Multifunction Printer
136
Paper Jams
This section includes:
•Preventing and Clearing Paper Jams on page 136
•Paper Jams in the Paper Tray on page 136
•Paper Jams at the Automatic Document Feeder on page 138
•Paper Jams at the Fuser on page 140
See also: 
User Safety on page 9
Preventing and Clearing Paper Jams
To reduce the occurrence of paper jams, follow the guidelines and instructions in Printing 
Basics on page 41. It includes information about supported paper and media,...

Paper Jams
Phaser® 6128MFP Multifunction Printer
137 2. Carefully remove any jammed paper in the printer. Confirm that there are no scraps of 
paper left inside.
Caution: Prolonged exposure to light may damage the Imaging Unit.
3. Close the front cover.
4. Remove the tray from the printer, and then carefully pull out any jammed paper 
remaining inside the printer.
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Paper Jams
Phaser® 6128MFP Multifunction Printer
138 5. Insert the tray into the printer, and push until it stops.
Caution: Do not use excessive force on the tray, doing so could damage the tray or the 
inside of the printer.
Paper Jams at the Automatic Document Feeder
Note: Paper jams at the ADF can happen if the document feed tray is overfilled or the 
paper is curled. Fill the document feed tray only up to the MAX line indicated on the tray.
Use the following procedure to remove paper jammed at the...

Paper Jams
Phaser® 6128MFP Multifunction Printer
139 2. Open the ADF cover.
3. If the paper jam is in the paper feed area, remove the paper by carefully pulling it up.
4. If the paper jam is at the paper exit area, turn the dial to remove the paper.
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Paper Jams
Phaser® 6128MFP Multifunction Printer
140 5. Open the document cover, gently remove any jammed paper.
Paper Jams at the Fuser
1. Press the button and open the front cover.
2. Lift the levers at both ends of the fuser and remove the jammed paper. If the paper is 
torn, remove any scraps of paper remaining inside the printer.
Wa rni n g:  Some components inside the printer, such as the fuser and surrounding area, 
are hot and can cause burns.
Caution: Prolonged exposure to light may damage the...