Brother HL 8050N User Manual

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What to Do When an Error Message Appears
LCD messages
Error Messages
Standard paper tray TRAY 1 and TRAY 2
Optional paper tray TRAY 3 and TRAY 4
Optional duplex unit for Duplex printing DX
Offset catch tray CT
Message Meaning and Action
NO TONERInstall the toner cartridge correctly.
See Replacing the Toner Cartridge (TN-1700) on page 6-1.
ILLEGAL TONERUse only a Brother genuine toner cartridge.
NO PAPER XXXPut paper in the empty tray.
NO TRAY XXXPut the paper tray in the...

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Maintenance Messages
Call Service Messages
CARD REMOVALTurn off the printer. Wait a few seconds, then turn it on again. If this error message 
appears again, replace the CompactFlash card with a new one.
BUFFER ERRORCheck the Interface settings.
STORAGE FULLDelete data from RAM or CompactFlash or add more memory. See Installing the DIMM 
Memory on page A-6 or See Installing the CompactFlash Card on page A-4.
DOWNLOAD FULLDelete data from RAM or add more memory. See Installing the...

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Clearing Paper Jams
If a paper jam occurs, printing stops and an error message appears on the control panel informing you 
of the location of the paper jam.
To clear the paper jam, read the error message, refer to the appropriate section below, and follow the 
procedure.
Attempting to print while there is paper jammed in the printer may damage the printer. Remove 
jammed paper immediately.
■The illustration above shows the printer with the two optional lower trays, duplex unit,...

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■When removing paper jams, make sure that no pieces of paper are left inside the printer, as this 
can cause a fire. If the paper is wrapped around the fuser or roller, or you cannot see the jam 
you are trying to clear, do not attempt to remove the paper by yourself, as this may cause injuries 
or burns. Turn the printer off immediately and contact your dealer or Brother Customer Service.
■Never touch an area indicated by a high-temperature warning label (on or near the fuser...

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Paper Jams in the Paper Tray
1Open the top cover.
Do not touch any parts inside the printer.
2Hold the toner cartridge by the grip and pull it out slowly. 
Then place it on a flat surface.
To prevent the toner from dirtying the surface, lay a piece 
of paper on the surface before putting the toner cartridge 
down.
3Close the top cover securely.
 

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4Pull the paper tray out of the printer.
The paper tray must be pulled out completely. If the paper 
tray is pulled out halfway and pushed in again, the paper 
may be damaged.
■If the paper is jammed inside the printer and behind 
paper tray 1, pull out both paper tray 1 and paper tray 
2.
■If the paper is jammed inside the printer and behind 
paper tray 2, pull out only paper tray 2.
5Remove any wrinkled paper in the paper tray.
6Remove any paper jammed inside the printer.
■If...

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8Open the top cover.
Do not touch any parts inside the printer.
9Hold the toner cartridge by the grip and insert it into the 
slot inside the printer.
■Do not touch any parts inside the printer.
■Ensure that the toner cartridge is firmly set.
10Close the top cover securely.
 

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Paper Jams Around the Fuser Unit
1Remove any paper from the center output tray.
If the duplex unit is installed, open the cover of the duplex 
unit first. See Paper Jams in the Duplex Unit on page 5-27.
2Open the top cover.
Do not touch any parts inside the printer.
3Hold the toner cartridge by the grip and pull it out slowly. 
Then place it on a flat surface.
To prevent the toner from dirtying the surface, lay a piece 
of paper on the surface before putting the toner cartridge...

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5Open 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.
6Remove any jammed paper. If paper is torn, check for 
any remaining torn pieces of paper.
■The fuser unit is hot. Be careful not to touch it as you 
can get burnt.
■Make sure that the levers at both ends of the fuser unit 
are returned to the positions they were in before 
clearing the jam.
If you let go of the cover of the fuser...

TROUBLESHOOTING   5 - 24
Make sure that the levers at the back of the printer, as 
shown in the illustration, are returned to the positions they 
were in before clearing the jam.
8Open the top cover.
Do not touch any parts inside the printer.
9Hold the toner cartridge by the grip and insert it into the 
slot inside the printer.
■Do not touch any parts inside the printer.
■Ensure that the toner cartridge is firmly set.
10Close the top cover securely.