Brother International MFC 640CW Users Manual - English - Page 169

Replacing the ink cartridges, Ink Empty Black, Replace Ink

Page 169 highlights

Replacing the ink cartridges Your machine is equipped with an ink dot counter. The ink dot counter automatically monitors the level of ink in each of the 4 cartridges. When the machine detects an ink cartridge is running out of ink, the machine will notify you with a message on the LCD. The LCD will inform you which ink cartridge is low or needs replacing. Be sure to follow the LCD prompts to replace the ink cartridges in the correct order. Even though the machine informs you that an ink cartridge is empty, there will be a small amount of ink remaining in the ink cartridge. It is necessary to keep some ink in the ink cartridge to prevent air from drying out and damaging the print head assembly. 1 Lift the scanner cover from the right-hand side of the machine until it locks securely into the open position. If one or more ink cartridges are empty, for example Black, the LCD shows Ink Empty Black and Replace Ink. 2 Pull the ink cartridge hook toward you and remove the ink cartridge for the color shown on the LCD. Ink Cartridge Hook 3 Open the new ink cartridge bag for the color shown on the LCD, and then take out the ink cartridge. TROUBLESHOOTING AND ROUTINE MAINTENANCE 13 - 26

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TROUBLESHOOTING AND ROUTINE MAINTENANCE
13 - 26
Replacing the ink cartridges
Your machine is equipped with an ink dot counter. The ink dot
counter automatically monitors the level of ink in each of the 4
cartridges. When the machine detects an ink cartridge is running out
of ink, the machine will notify you with a message on the LCD.
The LCD will inform you which ink cartridge is low or needs replacing.
Be sure to follow the LCD prompts to replace the ink cartridges in the
correct order.
Even though the machine informs you that an ink cartridge is empty,
there will be a small amount of ink remaining in the ink cartridge. It is
necessary to keep some ink in the ink cartridge to prevent air from
drying out and damaging the print head assembly.
1
Lift the scanner cover from the right-hand side of the machine
until it locks securely into the open position.
If one or more ink cartridges are empty, for example Black, the
LCD shows
Ink Empty Black
and
Replace Ink
.
2
Pull the ink cartridge hook toward you and remove the ink
cartridge for the color shown on the LCD.
3
Open the new ink cartridge bag for the color shown on the LCD,
and then take out the ink cartridge.
Ink Cartridge Hook