Brother HL 6050D User Manual

5 - 16   ROUTINE MAINTENANCE
4Wipe the scanner window with a dry, soft cloth.
Figure 5-26
5Put the drum unit assembly in the printer.
6Close the front cover.
7Plug the printer power cord back in, and then turn the printer power switch back on.
 

ROUTINE MAINTENANCE   5 - 17
Cleaning the corona wire
If you are experiencing print quality problems, please clean the corona wire as follows:
1Turn off the printer power switch, and then unplug the printer power cord.
2Press the cover release button and then open the front cover of the printer.
3Take out the drum unit assembly (drum unit with the toner cartridge).
Caution
■We recommend that you put the drum unit assembly on a piece of disposable paper or cloth in 
case you accidentally spill the toner....

6 - 1   TROUBLESHOOTING
6
LCD messages
If any problems occur, the printer automatically stops printing, diagnoses the problem, and displays the 
resulting message on the LCD to alert you. Take the appropriate action, referring to the following tables. 
If you cannot clear the problem, call the dealer you bought the printer from or Brother Customer Service.
Troubleshooting
If you do not follow the instructions for using the printer, you may be responsible for all repairs.
The LCD names for the paper trays...

TROUBLESHOOTING   6 - 2
FRONT COVER OPENClose the front cover of the printer.
FUSER COVER OPENClose the jam clear cover located behind the back output tray at the back of the printer.
IGNORE DATAMake sure that you use the correct driver, or add more memory. See Installing additional 
memory on page 4-12.
JAM XXXCarefully pull out the jammed paper from the indicated area as shown in Paper jams and 
how to clear them on page 6-5.
MANUAL FEEDPut the same size of paper in the multi-purpose tray as is shown...

6 - 3   TROUBLESHOOTING
Maintenance messages
Maintenance messageAction
CHANGE DRUM SOONThe drum unit is almost at the end of life. Prepare a new drum unit. See CHANGE 
DRUM SOON message on page 5-8.
TONER LOWPurchase a new toner cartridge and have it ready before you get a TONER LIFE END 
message. To replace the toner cartridge, see Replacing the toner cartridge on page 
5-3.
TONER LIFE ENDReplace the new toner cartridge. See Replacing the toner cartridge on page 5-3.
REPLACE PF KITMPCall your dealer or...

TROUBLESHOOTING   6 - 4
Troubleshooting paper handling 
First, make sure that you are using paper that meets our recommended paper specifications. See What 
kind of paper can I use? on page 1-5.
ProblemRecommendation
The printer does not 
load paper.■If paper is in the paper tray, make sure it is straight. If the paper is curled, you should 
straighten it before printing. Sometimes it is helpful to remove the paper, turn the 
stack over, and then put it back in the paper tray.
■Reduce the amount of paper...

6 - 5   TROUBLESHOOTING
Paper jams and how to clear them
If paper jams inside the printer, the printer will stop. One of the following LCD messages will appear to 
tell you where to find the jammed paper. 
Figure 6-1
Paper may jam in the paper tray, inside the printer, in the back output tray or where the paper comes out 
of the printer. Check where the jam is and follow the instructions on the next few pages to remove the 
jammed paper. 
If the error message still appears on the LCD after you remove the...

TROUBLESHOOTING   6 - 6
JAM MP TRAY (paper jam in the multi-purpose tray)
If there is a paper jam in the multi-purpose tray, follow these steps: 
1Press the cover release button and then open the front cover of the printer.
2Take out the drum unit assembly (drum unit with the toner cartridge).
3Remove the paper from the multi-purpose tray.
4Fan the paper stack, then put it back in the multi-purpose tray.
Figure 6-2
5When loading paper in the multi-purpose tray, make sure it touches the back of the tray...

6 - 7   TROUBLESHOOTING
JAM TRAY 1 / TRAY 2
(Paper jam inside the Paper tray)
If a paper jam occurs inside the paper tray, follow these steps: 
1Pull the paper tray completely out of the printer.
Figure 6-3
The LCD names for the paper trays are as follows.
Tray typeTray name
Upper paper tray TRAY 1
Optional lower tray TRAY 2
JAM TRAY1
JAM TRAY2
 

TROUBLESHOOTING   6 - 8
2Use both hands to slowly pull out the jammed paper. 
Figure 6-4
3Put paper below the maximum paper mark (▼). While pressing the [blue] paper-guide release lever, 
slide the paper guides to fit the paper size. Check that the guides are firmly in the slots. 
4Put the paper tray firmly back in the printer. 
5Open the front cover of the printer, and then close it to resume printing.
Caution
Do not take out the upper paper tray while paper is feeding from a lower paper tray because...