Brother Fax 4750e 5750e User Guide

19 - 20   TROUBLESHOOTING AND ROUTINE MAINTENANCE
ZleMFC-US-FAX-4750e/5750e-
3Reinstall the drum unit into the machine.
(See 
Replacing the Drum Unit, Page 19-23.)
4Close the front cover.
5Plug in the power cord first, and then plug in the telephone cord.
Replacing the Toner Cartridge
The machine can print up to 6,000 pages using a high yield toner cartridge.  
When the toner cartridge is running low, the display shows TONER LOW.  The 
machine is supplied with a standard toner cartridge that must be...

TROUBLESHOOTING AND ROUTINE MAINTENANCE   19 - 21
ZleMFC-US-FAX-4750e/5750e-
WARNING
Just after you use the machine, some internal parts of the machine will be 
extremely HOT!  So, never touch the shaded parts shown in the illustration.
1 Open 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 as you pull the toner cartridge out of the 
drum unit.
Caution...

19 - 22   TROUBLESHOOTING AND ROUTINE MAINTENANCE
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Caution
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-430 or TN-460), which is 
specially formulated to ensure top print quality.  Using another brand of toner cartridge 
may void your machine’s warranty. Warranty coverage does not...

TROUBLESHOOTING AND ROUTINE MAINTENANCE   19 - 23
ZleMFC-US-FAX-4750e/5750e-
8Reinstall the drum unit and close the 
front cover.
Replacing the Drum Unit
The machine uses a drum unit to create print images on paper.  If the LCD shows 
CHANGE DRUM SOON, the drum unit is near the end of its life and it is time 
to purchase a new one.
Even if the LCD shows CHANGE DRUM SOON, you may be able to continue 
printing without having to replace the drum unit for a while.  However, if there 
is a noticeable...

19 - 24   TROUBLESHOOTING AND ROUTINE MAINTENANCE
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1Open the front cover.
2Remove the old drum unit. 
Place the drum unit on a drop cloth or 
disposable paper to avoid scattering 
toner.
3Hold down the lock lever on the right 
and pull the toner cartridge out of the 
drum unit assembly.
(See 
Replacing the Toner Cartridge, 
Page 19-20.)
4Wait to unpack the new drum unit until immediately before installing it. Place the old 
drum unit into the aluminium bag, and then discard it...

IMPORTANT INFORMATION   20 - 1
20
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20Important Information
Standard Telephone and FCC Notices
These notices are in effect on models sold and used in 
the United States only.
This equipment is hearing aid compatible.
When programming emergency numbers and making test calls to 
emergency numbers:
Remain on the line and briefly explain to the dispatcher the reason for the call 
before hanging up.
Perform these activities in the off-peak hours, such as early morning or late...

20 - 2   IMPORTANT INFORMATION
ZleMFC-US-FAX-4750e/5750e- If you experience trouble with your FAX-4750e or FAX-5750e, please contact 
a Brother Authorized Service Center for information on obtaining service or 
repair. The telephone company may ask that you disconnect this equipment 
from the line until the problem has been corrected or until you are sure that the 
equipment is not malfunctioning.
If you are not able to solve a problem with your machine, contact Brother 
Customer Service. (See 
Brother...

IMPORTANT INFORMATION   20 - 3
ZleMFC-US-FAX-4750e/5750e-
WARNING
Use of controls, adjustments or performance of procedures other than those 
specified in this manual may result in hazardous invisible radiation exposure.
Caution
Changes or modifications not expressly approved by Brother Industries, Ltd. 
may void the user’s authority to operate the equipment.
Federal Communications Commission (FCC) 
Declaration of Conformity (For USA Only)
declares, that the products
Product Name: FAX-4750e
FAX-5750e...

20 - 4   IMPORTANT INFORMATION
ZleMFC-US-FAX-4750e/5750e-
Important 
Changes or modifications not expressly approved by Brother Industries, Ltd. 
could void the user’s authority to operate the equipment.
Industry Canada Compliance Statement 
(For Canada Only) 
This Class B digital apparatus complies with Canadian ICES-003. 
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du 
Canada.
Warranty 
You use the IEEE-1284 shielded parallel cable provided by Brother Industries, 
Ltd. (See...

IMPORTANT INFORMATION   20 - 5
ZleMFC-US-FAX-4750e/5750e-
8This product is equipped with a 3-wire grounding type plug, a plug having a 
third (grounding) pin. This plug will fit into only a grounding-type power outlet. 
This is a safety feature. If you are unable to insert the plug into the outlet, contact 
your electrician to replace your obsolete outlet. Do not defeat the purpose of the 
grounding-type plug by using an adapter.
9Do not allow anything to rest on the power cord. Do not place this product...