Epson C3900 Manual

10. Lift up the two levers.
11. Close the fuser unit cover.
12. Close the eject cover.
AcuLaser C3900 Series     User’s Guide
Replacing Consumables and Maintenance Parts     101 

13. Close the right side cover.
14. Reset the counter in the MAINTENANCE MENU/SUPPLIES/REPLACE/FUSER UNIT menu.
AcuLaser C3900 Series     User’s Guide
Replacing Consumables and Maintenance Parts     102 

Chapter 7
Maintaining the Printer
Maintaining the Printer
c
Caution:
Read all caution and warning labels carefully, making sure to follow any instructions contained in
them. These labels are located on the inside of the printer’s covers and the interior of the printer
body.
Handle the printer with care to preserve its life. Abuse handling may cause damage and void your
warranty. If dust and paper scraps remain on the inside or outside of the printer, printer performance
and print quality will suffer, so...

❏Always close the printer’s covers gently. Never subject the printer to vibration.
❏Do not cover the printer immediately after using it. Turn it off and wait until it cools down.
❏Do not leave the printer’s covers open for any length of time, especially in well-lit places; light may
damage the photoconductor units.
❏Do not open the printer during printing.
❏Do not tap media stacks on the printer.
❏Do not lubricate or disassemble the printer.
❏Do not tilt the printer.
❏Do not touch the electrical...

c
Caution:
If you get toner in your eyes, wash it out immediately with cool water and consult a doctor.
❏Make sure any parts removed during cleaning are replaced before you plug in the printer.
Cleaning the Printer
c
Caution:
Be sure to turn off the printer and unplug the power cord before cleaning.
Exterior
❏Control Panel❏Ventilation Grill
❏Printer Exterior
Media Rollers
The accumulation of paper dust and other debris on the media rollers can cause media-feeding
problems.
AcuLaser C3900 Series...

Cleaning the Media Feed Rollers (Manual Feed Tray)
1. Open Tray 1.
2. Press down on the center of the paper-lifting plate until the left and right locking tabs (white) lock
into place.
3. Clean the media feed rollers by wiping them with a soft, dry cloth.
AcuLaser C3900 Series     User’s Guide
Maintaining the Printer     106 

4. Close the tray.
Cleaning the Media Feed Rollers (Tray 2/3)
1. Pull out the tray.
2. Clean the media feed rollers by wiping them with a soft, dry cloth.
AcuLaser C3900 Series     User’s Guide
Maintaining the Printer     107 

3. Close the tray.
Cleaning the Media Transfer Rollers for Tray 3
1. Open the right side cover of Tray 3.
Note:
Before opening the right side cover of Tray 3, fold up Tray 1.
2. Clean the media transfer rollers by wiping them with a soft, dry cloth.
AcuLaser C3900 Series     User’s Guide
Maintaining the Printer     108 

3. Close the right side cover of Tray 3.
Cleaning the Laser Lens
This printer is constructed with four laser lenses. Clean all lenses as described below. The laser lens
cleaning tool should be attached to the inside of the tray 2.
1. Pull out the tray 2.
2. Remove the cover.
AcuLaser C3900 Series     User’s Guide
Maintaining the Printer     109 

Note:
Since the cover will be used later, do not return it to its original position.
3. Remove the cleaning tool from the tray 2.
4. Close the tray 2.
5. Open the printer’s front cover.
AcuLaser C3900 Series     User’s Guide
Maintaining the Printer     110