Brother MFC 9760 User Manual

   Troubleshooting and Maintenance   85
MAINTENANCE
1Open the front cover and pull out the drum unit.
Place the drum unit on a drop cloth or large piece of disposable paper to avoid spilling and 
scattering the toner.
2Hold down the lock lever on the right and pull the toner cartridge out of the drum unit assembly.
Handle the toner cartridge carefully. If toner scatters on your hands or 
clothes, immediately wipe it off or wash them with cold water.
Lock
Lever
 

86   Chapter 9
3Unpack the new toner cartridge. Place the used toner cartridge into the aluminium bag and 
discard it according to local regulations.
4Gently rock the toner cartridge from side to side five or six times.
5Remove the protective cover.
•Wait to unpack the toner cartridge until immediately before you install it 
into the machine. If a toner cartridge is left unpacked for a long period of 
time, the toner life is shortened.
•You can use only a genuine Brother toner cartridge (TN-6300 or...

   Troubleshooting and Maintenance   87
MAINTENANCE
6Install the new toner cartridge into the drum unit until it clicks into place.
7Clean the primary corona wire inside the drum unit by gently sliding the blue tab from right to 
left several times. Return the blue tab to the home position before reinstalling the drum unit 
assembly.
8Reinstall the drum unit into the machine and close the front cover.
Drum Unit
Toner Cartridge
Ta b
Corona Wire
Home Position (     )
 

88   Chapter 9
Drum Life Considerations for Your Brother Machine
Your Brother machine uses a drum and toner assembly for document printing. The toner life is 
directly dependent upon the amount of black printing on the printed pages. The estimated drum life 
is up to 20,000 A4 sized pages. Maintaining quality print during this period will depend on factors 
such as the number of pages printed per day, time between print jobs, the quality of the printing paper 
and the environment in which the machine is...

   Troubleshooting and Maintenance   89
MAINTENANCE
For best performance, use only genuine Brother toner, and the product should be used only in a clean, 
dust-free environment with adequate ventilation.
Follow these steps to replace the drum unit:
1Open the front cover.
2Remove the old drum unit. Place the drum unit on an old cloth or large piece of disposable paper 
to avoid spilling and scattering the toner.
The actual number of pages your drum will print may be significantly less than 
these...

90   Chapter 9
3Pull the toner cartridge out of the drum unit assembly while holding down the lock lever with 
your right hand. (See Replacing the Toner Cartridge, page 84.)
4Wait to unpack the new drum unit until immediately before installing it. Place the old drum unit 
into the aluminium bag and discard it according to local regulations.
5Reinstall the toner cartridge into the new drum unit. (See Replacing the Toner Cartridge, page 
84.)
6Reinstall the new drum unit, keeping the front cover open....

  Important Safety Information   91
IMPORTANT 
INFORMATION
10Important Safety Information
Important Safety Instructions
1Read all of these instructions.
2Save them for later reference.
3Follow all warnings and instructions marked on the product.
4Switch off and unplug this product from the AC sockets before cleaning. Do not use liquid or 
aerosol cleaners. Use a damp cloth for cleaning.
5Do not place this product on an unstable surface.
6Slots and openings in the case and the back or bottom are provided...

92   Chapter 10
IEC 60825 Specification
This machine is a Class 1 laser product as defined in IEC 60825 specifications. The label shown 
below is attached in countries where required.
This machine has a Class 3B Laser Diode which emits invisible laser radiation in the Scanner Unit. 
The Scanner Unit should not be opened under any circumstances.
Laser Diode
Caution
Use of controls, adjustments or performance of procedures other than those specified in this manual 
may result in hazardous radiation...

IMPORTANT 
INFORMATION
   Important Safety Information   93
For Your Safety
To ensure safe operation the three-pin plug supplied must be inserted only into a standard three-pin 
power point which is effectively grounded through the normal household wiring.
The fact that the equipment operates satisfactorily does not imply that the power is grounded and 
that the installation is completely safe. For your safety, if in any doubt about the effective grounding 
of the power, consult a qualified electrician....

94   Chapter 11
11Optional Accessories
Memory Board
The memory board is installed on the main controller board inside the machine. When you add the 
optional memory board, it increases the performance for printer and copy operations.
In general, the DIMM must have the following specifications:
Some DIMMs may not work with the machine. For more information, consult the dealer where you 
purchased the machine. For the latest information from Brother visit: http://solutions.brother.com
Installing the...