Brother HL 8050N User Manual

6 - 1   ROUTINE MAINTENANCE AND CONSUMABLE ITEMS REPLACEMENT
6
Replacing the Toner Cartridge (TN-1700)
The toner cartridge is a consumable. A new replacement toner cartridge contains enough toner to print 
approx. 17,000 A4 or Letter-size single-sided pages at about 5 % coverage. For more information about 
consumables, see Introduction to the Optional and Consumable Items on page A-1.
For details about when to change consumables, see Life Span of Consumable Items on page A-31.
Toner Cartridge Handling...

ROUTINE MAINTENANCE AND CONSUMABLE ITEMS REPLACEMENT   6 - 2
■Printing with a third-party toner or third-party toner cartridge may reduce not only the print quality 
but also the quality and life of the printer itself. It may also cause serious damage to the 
performance. Warranty coverage does not apply to problems caused by the use of third-party 
toner or third-party toner cartridges.
Replacing the Toner Cartridge
1Turn off the printer power switch.
2Remove any paper from the center output tray.
3Open...

6 - 3   ROUTINE MAINTENANCE AND CONSUMABLE ITEMS REPLACEMENT
4Hold the toner cartridge by the grip and pull it out slowly.
To prevent the toner from dirtying the surface, lay a piece 
of paper on the surface first before putting the toner 
cartridge down.
5Take the new toner cartridge out of the box and shake it 7 
to 8 times in the manner shown.
■If the toner is not evenly spread out, the print quality 
may drop. Also, if you do not shake the toner cartridge 
well, there may be operating noise or the...

ROUTINE MAINTENANCE AND CONSUMABLE ITEMS REPLACEMENT   6 - 4
8Close the top cover securely.
Turn the printer switch back on.
 

6 - 5   ROUTINE MAINTENANCE AND CONSUMABLE ITEMS REPLACEMENT
Replacing the Fuser Unit & Transfer Roll Cartridge 
(FP-8000)
The fuser unit and transfer roll cartridge are consumables. For more information about consumables, see 
Introduction to the Optional and Consumable Items on page A-1.
For details about when to change consumables, see Life Span of Consumable Items on page A-31.
Fuser Unit & Transfer Roll Cartridge Handling Precautions
■Never touch the labeled area found on or near the heat roller....

ROUTINE MAINTENANCE AND CONSUMABLE ITEMS REPLACEMENT   6 - 6
2Remove any paper from the center output tray.
3Open the back cover by lifting the lower gray lever at the 
top left corner of the back of the printer.
Do not touch any parts inside the printer.
4Push down the 2 beige levers at the bottom of the used 
fuser unit.
 

6 - 7   ROUTINE MAINTENANCE AND CONSUMABLE ITEMS REPLACEMENT
5Remove the used fuser unit slowly.
6Install the new fuser unit slowly.
7Lift up the 2 beige levers at the bottom of the fuser unit to 
lock it.
8Close the back cover.
Do not close the back cover if the fuser unit is not installed. 
Forcibly closing it may damage the lever or the cover.
 

ROUTINE MAINTENANCE AND CONSUMABLE ITEMS REPLACEMENT   6 - 8
9Open the top cover.
Do not touch any parts inside the printer.
10Hold the toner cartridge by the grip and pull it out slowly.
To prevent the toner from dirtying the surface, lay a piece 
of paper on the surface first before putting the toner 
cartridge down.
11Pull the 2 levers on the upper part of the transfer roll 
cartridge, then squeeze the 2 beige levers on the bottom 
of the used transfer roll cartridge and pull it out slowly 
towards...

6 - 9   ROUTINE MAINTENANCE AND CONSUMABLE ITEMS REPLACEMENT
12Pick up the new transfer roll cartridge by the levers at both 
ends and slowly push it into the slot.
13Hold the toner cartridge by the grip and insert it into the 
slot inside the printer.
■Ensure that the toner cartridge is firmly set.
14Close the top cover securely.
Turn the printer switch back on.
 

ROUTINE MAINTENANCE AND CONSUMABLE ITEMS REPLACEMENT   6 - 10
Replacing the Feed Roller
To purchase the replacement Feed Roller, call your dealer or Brother Customer Service.
Feed Roller Handling Precautions
WARNING
■To prevent electric shock, always turn the printer off and disconnect the power cord from the AC 
outlet/socket before cleaning the printer or performing maintenance.
■Before you replace the feed roller, turn the power switch off, unplug the AC power cord and allow 
the printer to cool for...