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.
■To prevent damage to the printer from static electricity, do not touch the electrodes shown in 
Figure 5-27.
Figure 5-27
4Clean the primary corona wire inside the drum unit by gently sliding the blue tab from right to left 
several times.
Figure 5-28
Caution
Make sure to return the tab to the Home position. If you do not, printed pages will have a black 
vertical stripe.
5Put the drum unit assembly back in the printer.
6Close the front cover.
7Plug the printer power cord back in, and then turn the printer power switch back on.
Home position 
(▲)
 
						

							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 are as follows.
Upper paper tray TRAY 1
Multi-purpose tray MP TRAY
Optional Lower tray  TRAY 2
Error messages
Error messageAction
BACK TRAY CLOSEDOpen the back output tray. Push down the two blue levers, and then press Go.
BACK TRAY OPENClose the back output tray located at the back of the printer.
BUFFER ERRORCheck the Interface settings.
CARD ERRORMake sure of the following:
The CompactFlash
TM card is installed properly.
The installed CompactFlashTM card is formatted properly 
Turn off the printer. Wait a few seconds, then turn it on again. If this error message 
appears again, replace the CompactFlash
TM card with a new one.
CARTRIDGE ERRORTake out the toner cartridge and put it back into the printer again. See Replacing the 
toner cartridge on page 5-3.
CHECK NET BOARDThe istalled network board is not compatible. Please install the recommended network 
board.
CHECK NET VER.The firmware version of the installed network board is not up to date. Please update the 
firmware by accessing the Brother Solutions Center at http://solutions.brother.com
CLEAN DRUM UNITOpen the front cover. Take out the drum unit assembly. Gently slide the blue tab of the 
drum unit across several times.
DIMM ERRORRe-install the DIMM correctly.
Turn off the printer. Wait a few seconds, and then turn it on again. If this error message 
appears again, replace the DIMM with a new one.
DOWNLOAD FULLAdd more memory. See Installing additional memory on page 4-12.
DX LEVER ERRORMove the lever at the back of the printer to the correct paper size position; A4, Letter or 
Legal
ERROR FUSERTurn the power switch off, wait a few seconds and then turn it on again.
Leave the printer for 15 minutes with the power on.
FONT FULLAdd more memory. See Installing additional memory on page 4-12.
 
						

							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 on the LCD. If the 
printer is paused, press Go.
MEDIATYPE ERRORSpecify the correct type of media.
MEMORY FULLAdd more memory. See Installing additional memory on page 4-12.
NO DX TRAYPut the duplex tray on the printer properly. See page 1-37. 
NO PAPER XXXPut paper in the empty tray.
NO TRAY XXXPut the paper tray in the printer.
PRINT OVERRUNReduce the resolution or add the optional memory. See Installing additional memory on 
page 4-12. 
Set Page Protection to the correct size. See Device Options on page 2-5 and SETUP 
on page 3-16.
SIZE ERROR DXYou can only use A4, Letter and Legal size for duplex printing. Check the printer driver 
setting and put the correct sized paper in the paper tray or multi-purpose tray that is 
selected in the printer driver. See What kind of paper can I use? on page 1-5.
SIZE ERROR T1/T2Put the same size paper in the paper tray or multi-purpose tray that is selected in the 
printer driver. See What kind of paper can I use? on page 1-5.
SIZE MISMATCHPut the same size paper in the paper tray or multi-purpose tray that is selected in the 
printer driver, and then press Go. 
STORAGE FULLDelete unnecessary macros or fonts, or replace the CompactFlash
TM card or HDD with 
a new one. 
TRAY 1 ERRORTake out the tray 1 from the printer and push it back in firmly.
TRAY 2 ERRORTake out the tray 2 from the printer and push it back in firmly.
TONER LIFE ENDReplace the toner cartridge with a new one. 
See Replacing the toner cartridge on page 5-3.
Error messages (Continued)
Error messageAction
 
						

							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 Brother customer service for a replacement paper feeding kit 
(paper pick up roller and separation plate) for the MP tray.
REPLACE PF KIT 1Call your dealer or Brother customer service for a replacement paper feeding kit 
(paper feed roller, separation roller, separation pad, and separation pad spring) for 
Tray 1.
REPLACE PF KIT 2Call your dealer or Brother customer service for a replacement paper feeding kit 
(paper feed roller, separation roller, separation pad, and separation pad spring) for 
Tray 2.
REPLACE FUSERCall your dealer or Brother customer service for a replacement fuser unit.
REPLACE LASERCall your dealer or Brother customer service for a replacement laser unit.
Call service messages
Call service messageAction
ERROR ###Turn off the printer. Wait a few seconds, then turn it on again. If this does not clear the 
problem, call your dealer or a Brother Customer Service.
 
						

							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 in the paper tray, and then try again.
■Make sure that manual feed mode is not set in the printer driver.
■If there is paper dust on the separation roller, wipe it off with a moistened soft cloth.
■The pickup roller or separation pad needs to be replaced. Please call your dealer or 
Brother customer service for a replacement.
The printer does not 
load paper from the 
multi-purpose tray.■Fan the paper well and put it back in firmly. 
■Make sure you have chosen the manual feed mode in the printer driver. 
The printer does not 
load envelopes.■The printer can load envelopes from the multi-purpose tray. You must set up your 
application software to print on the size of envelopes you are using. This is usually 
done in the page setup or document setup menu of your software. Please see your 
software application manual for instructions.
Envelope is creased 
after it is printed.■Open the back output tray, and push down the blue tabs that are at the left-hand and 
right-hand sides of the back of the printer.
There is a paper jam.■Clear the jammed paper (see Paper jams and how to clear them on page 6-5).
■If there is paper dust on the separation roller, wipe it off with a moistened soft cloth.
■The pickup roller or separation pad needs to be replaced. Please call your dealer or 
Brother customer service for a replacement.
The printer feeds 
multiple pages.■The pickup roller or separation pad needs to be replaced. Please call your dealer or 
Brother customer service for a replacement.
The printer does not 
print to the face-down 
output tray.■Close the back output tray.
The printed pages are 
curled, so the 
face-down output tray 
cannot hold the 
maximum number of 
sheets.■Turn over the paper in the paper tray.
■Change the printer driver setting in Media Type to a thicker setting.
The printer does not 
print. ■Make sure that the cable is connected to the printer.
■Make sure that you have chosen the appropriate printer driver.   
When printing on 
normal paper, it 
creases.■Change the printer driver setting in Media to the Thin setting.
When printing on 
Legal size paper or 
longer sized paper, the 
paper slides off the top 
output tray.■Pull up the output tray support flap.
 
						

							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 jammed paper, there may be more 
paper jammed somewhere else. Please check the printer thoroughly. 
After you have removed all the jammed paper, open the front cover and then close it again to start 
printing.
Do not use the following: 
■Bent/wrinkled paper
■Moist paper
■Paper that does not meet specificationsPaper jam in the multi-purpose tray
Paper jam in the upper paper tray (TRAY 1)
Paper jam in the lower tray (TRAY 2)
Paper jam inside the printer
Paper jam where the paper comes out of the printer
Paper jam in the back output tray
Paper jam in the duplex unit
JAM REAR
JAM MP TRAY
JAM INSIDE
JAM TRAY 1
JAM TRAY 2
JAM DUPLEX
JAM MP TRAY
JAM TRAY1
JAM TRAY2
JAM INSIDE
JAM REAR
JAM DUPLEX
 
						

							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 and stays 
below the maximum paper mark (▼). 
6Open the front cover of the printer and close it, or press Go to start printing.
JAM MP 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 this will 
cause a paper jam.
■If you cannot pull out a small piece of jammed paper, you can remove it by turning the dial, as 
shown below. 
Figure 6-5