Epson C3900 Manual

							11. Remove the protective cover from the photoconductor unit. 
Remove all packing tape from the photoconductor unit.
12. Remove the paper from the photoconductor unit. 
Remove the protective cover from the photoconductor unit.
13. Make sure that the new photoconductor unit to be installed is the same color as the printer
compartment, and then insert the photoconductor unit into the printer so it locks.
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							14. Press in on the waste toner bottle until it locks into place.
15. Make sure that the toner cartridge is the same color as the printer compartment, and then insert
the toner cartridge into the printer.
Note:
Fully insert the toner cartridge.
16. Pull the lever to the right to lock it in place.
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							Note:
❏The front lever should be securely returned to its original position; otherwise, the front cover of
the printer cannot be closed.
❏If it is difficult to operate the lever, push it in.
17. Close the front cover.
Note:
When closing the front cover, press the area of the cover with small projections.
Replacing the Waste Toner Bottle (0595)
When the waste toner bottle becomes full, the message WASTE TONER FULL/REPLACE BOTTLE
appears in the message window. The printer stops and will not start again until the waste toner bottle is
replaced.
1. Open the printer’s front cover.
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							2. Pull up the waste toner bottle to unlock it.
3. Grab the left and right handles of the waste toner bottle, and then slowly pull out the bottle.
Note:
Do not tilt removed waste toner box, otherwise waste toner may spill.
4. Remove the new waste toner bottle from its packaging. Insert the used waste toner bottle into the
plastic bag included in the box, and then box it up.
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							Note:
Dispose of the used waste toner bottle according to your local regulations. Do not burn the waste
toner bottle.
5. Press in on the waste toner bottle until it locks into place.
6. Close the front cover.
Note:
❏When closing the front cover, press the area of the cover with small projections.
❏If the waste toner bottle is not fully inserted, the front cover cannot be closed.
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							Replacing the Backup Battery
When the backup battery is at its end of life, the printer’s date and time cannot be retained. Follow the
procedure described below to replace the backup battery.
Note:
Only use the coin-shaped 3V lithium battery CR2032. It’s very important to protect the printer controller
board and any associated circuit boards from electrostatic damage. Before performing this procedure,
review the antistatic caution on“Antistatic Protection” on page 146. In addition, always handle circuit
boards by the edges only.
1. Turn off the printer and disconnect the power cord and interface cables.
2. Using a screwdriver, remove two screws.
3. Slide the panel slightly to the down and lift it off the printer.
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							4. Remove the backup battery.
5. Insert a new backup battery.
Note:
❏When inserting the new backup battery, be sure that the + side faces front.
❏Risk of explosion if battery is replaced by an incorrect type. Dispose of used batteries according to
your local regulations. 
Do not burn the backup battery.
6. Reinstall the panel and tighten two screws.
7. Reconnect all interface cables.
8. Reconnect the power cord, and turn on the printer.
9. Use DATE on the SYS DEFAULT MENU/CLOCK menu to set the date, and use TIME on the SYS
DEFAULT MENU/CLOCK menu to set the time.
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							Replacing the Fuser Unit (3041/3042)
When the time to replace the fuser unit is reached, the message FUSER UNIT/END OF LIFE appears.
Printing can continue even after this message appears; however, since the print quality is reduced, the
fuser unit should be replaced immediately.
1. Turn off the printer.
Note:
There are extremely hot parts within the machine. Before replacing the fuser unit, wait about
40 minutes after turning off the machine, and then check that the fusing section has reached room
temperature, otherwise, you may get burnt.
2. Pull the lever, and then open the right side cover.
Note:
Before opening the right side cover, fold up Tray 1.
3. Open the eject cover.
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							4. Open the fuser unit cover.
5. Pull down the 2 levers.
6. Remove the fuser unit.
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							7. Prepare a new fuser unit.
Note:
Be careful not to touch the surface of the fuser roller.
8. Pull down the 2 levers of a new fuser unit.
9. Insert the fuser unit until it locks into place.
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