Epson C3900 Manual

6. Remove the waste toner bottle and the toner cartridge and photoconductor unit for the color of
laser lens to be cleaned.
Note:
❏For details on removing the toner cartridge, photoconductor unit or waste toner bottle, refer to
“Replacing a Toner Cartridge” on page 83 or “Replacing a Photoconductor Unit” on page 87.
❏Do not tilt removed toner cartridge, otherwise toner may spill.
❏Do not tilt removed waste toner box, otherwise waste toner may spill.
7. Attach the cover removed in step 2 to the...

8. Insert the laser lens cleaning tool into the photoconductor unit opening, pull it out, and then
repeat this back and forth movement 2 or 3 times.
9. Install the removed toner cartridge, photoconductor unit and waste toner bottle.
Note:
For details on installing the toner cartridge, photoconductor unit or waste toner bottle, refer to
“Replacing a Toner Cartridge” on page 83 or “Replacing a Photoconductor Unit” on page 87.
10. Close the front cover.
AcuLaser C3900 Series     User’s Guide
Maintaining the...

Note:
When closing the front cover, press the area of the cover with small projections.
11. Pull out the tray 2.
12. Return the laser lens cleaning tool to its holder on the inside of the tray 2.
13. Close the cover.
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Maintaining the Printer     113 

14. Close the tray 2.
15. Clean between each of the laser lenses in the same way.
Note:
The laser lens cleaning tool is included with the printer.
Safely store the laser lens cleaning tool so that it will not be lost.
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Maintaining the Printer     114 

Chapter 8
Troubleshooting
Printing a Configuration Page
1. Press the Menu/Select key.
2. Select PRINT MENU, and then press the Menu/Select key.
3. Select CONFIGURATION PG, and then press the Menu/Select key.
4. Select PRINT, and then press the Menu/Select key.
Preventing Media Misfeeds
Make sure that...
Media matches the printer specifications.
Media is flat, especially on the leading edge.
The printer is on a hard, flat, level surface.
You store media in a dry location away from moisture and humidity....

Avoid...
Allowing the output tray to overfill (the output tray has a 200-sheet capacity—misfeeding may occur if you allow more than
200 sheets of media to accumulate at one time).
Clearing Media Misfeeds 
To avoid damage, always remove misfed media gently, without tearing it. Any piece of media left in the
printer, whether large or small, can obstruct the media path and cause further misfeeds. Do not reload
media that has misfed.
Note:
The image is not fixed on the media before the fusing process. If you...

Media Misfeed Message Page Reference
PAPER JAM 
FUSER/EXIT“Clearing a Media Misfeed from the Fuser Unit” on page 124
PAPER JAM 
TRAY1“Clearing a Media Misfeed from Tray 1 (Manual Feed Tray) and Transfer
Roller” on page 128
PAPER JAM 
SECOND TRANS“Clearing a Media Misfeed from Tray 1 (Manual Feed Tray) and Transfer
Roller” on page 128
PAPER JAM 
VERTICAL TRANS“Clearing a Media Misfeed in Tray 3” on page 120, “Clearing a Media
Misfeed from Tray 1 (Manual Feed Tray) and Transfer Roller” on page
128
Note:
If...

2. Carefully pull out the misfed media.
c
Caution:
The area around the fuser unit is extremely hot.
Touching anything other than the indicated levers may result in burns. If you get burned,
immediately cool the skin under cold water, and then seek professional medical attention.
Note:
Decreased print quality may result if the surface of the image transfer belt or the transfer roller is
touched. 
Be careful not to touch the surface of the image transfer belt or transfer roller.
AcuLaser C3900 Series...

3. Close the right side cover.
4. Pull out Tray 2, and then remove all media from the tray.
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5. Fan the media you removed and then align it well.
6. Load the media face up in Tray 2.
Note:
❏Make sure that the media is flat.
❏Do not load paper above the d mark.
7. Close Tray 2.
Clearing a Media Misfeed in Tray 3
1. Open the right side cover of Tray 3.
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