Brother Hl 5250dn User Manual

							6. Routine Maintenance
73
Cleaning
Clean the outside and inside of the printer regularly with a dry, lint-free cloth. When you replace the toner 
cartridge or the drum unit, make sure that you clean the inside of the printer. If printed pages are stained with 
toner, clean the inside of the printer with a dry, lint-free cloth.
Cleaning the outside of the printer
CAUTION 
Use neutral detergents. Cleaning with volatile liquids such as thinner or benzine will damage the surface of 
the printer.
  
DO NOT use cleaning materials that contain ammonia.
 
aTurn off the printer power switch and then unplug the printer. 
bPull the paper tray completely out of the printer. 
 
						

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74
cWipe the outside of the printer with a dry, lint-free cloth to remove dust. 
dRemove anything that is stuck inside the paper tray.
eWipe the inside of the paper tray with a dry, lint-free cloth to remove dust. 
fPut the paper tray back in the printer.
gPlug the printer back in, and then turn on the power switch.
Cleaning the inside of the printer
aTurn off the printer power switch and then unplug the printer. 
 
						

							6. Routine Maintenance
75
bPress the front cover release button and then open the front cover. 
cTake out the drum unit and toner cartridge assembly. 
HOT SURFACE 
After you have just used the printer, some internal parts of the printer will be extremely hot. Wait for the 
printer to cool down before you touch the internal parts of the printer.
 
 
CAUTION 
We recommend that you put the drum unit and toner cartridge assembly on a piece of disposable paper or 
cloth in case you accidentally spill or scatter toner.
  Handle the toner cartridge carefully. If toner scatters on your hands or clothes, wipe or wash it off with cold 
water at once.
 
 
						

							6. Routine Maintenance
76
 To prevent damage to the printer from static electricity, DO NOT touch the electrodes shown in the 
illustration.
 
 
dWipe the scanner window with a dry, lint-free cloth. 
ePut the drum unit and toner cartridge assembly back in the printer.
fClose the front cover.
gPlug the printer back in, and then turn on the power switch.
 
						

							6. Routine Maintenance
77
Cleaning the corona wire
If you have print quality problems, clean the corona wire as follows:
aPress the front cover release button and then open the front cover. 
bTake out the drum unit and toner cartridge assembly. 
CAUTION 
We recommend that you put the drum unit and toner cartridge assembly on a piece of disposable paper or 
cloth in case you accidentally spill or scatter toner.
  To prevent damage to the printer from static electricity, DO NOT touch the electrodes shown in the 
illustration.
 
 
 
						

							6. Routine Maintenance
78
cClean the primary corona wire inside the drum unit by gently sliding the blue tab from right to left and left 
to right several times. 
 
CAUTION 
Be sure to return the tab to the home position (a) (1). If you do not, printed pages may have a vertical stripe.
 
dPut the drum unit and toner cartridge assembly back in the printer. Close the front cover. 
1
 
						

							79
7
You can correct most problems by yourself. If you need additional help, the Brother Solutions Center offers 
the latest FAQs and troubleshooting tips. Visit us at http://solutions.brother.com
.
Identifying your problem
First, check the following:
„The AC power cord is connected properly and the printer is turned on.
„All of the protective parts have been removed.
„The toner cartridge and drum unit are installed properly.
„The front and back covers are fully closed.
„Paper is inserted properly in the paper tray.
„The interface cable is securely connected to the printer and the computer.
„The correct driver for the printer has been chosen and is installed.
„The PC is set up to connect to the correct printer port.
Printer does not print:
If you did not solve your problem with the above checks, identify your problem and then go to the page 
suggested below.
„Printer LED is blinking
See LEDs (Light Emitting Diodes) on page 45.
„Status Monitor Error Message appears
See Error messages in the Status Monitor on page 80.
„Printer printed an Error Message
See Error message printout on page 82.
„Paper handling
See Paper handling on page 83 and Paper jams and how to clear them on page 84.
„Other problems
See Other problems on page 98.
Pages are printed, but there are problems with:
„Print quality
See Improving the print quality on page 91.
„Printout is incorrect
See Solving print problems on page 97.
Troubleshooting
 
						

							7. Troubleshooting
80
Error messages in the Status Monitor
The Status Monitor will report problems with the printer. Take the proper action by referring to the following 
table.
The default setting for the Status Monitor is off. If you want to turn the status monitor on, you can change the 
setting of the Status Monitor in Device Options from the Advanced tab. See Device Options on page 3-6.
Error messageAction
Toner Low„Buy a new toner cartridge and have it ready for when the Toner Life End status 
is indicated.
Toner Life End„See Replacing the toner cartridge on page 63.
Cartridge Position Error„Put the drum unit assembly back in.
Drum Life End Soon„The drum unit is near the end of its life. Buy a new drum unit to replace the current 
one. See Replacing the drum unit on page 68.
No Paper
No Paper for Manual Feed
No Paper in the 
Multi Purpose Tray
No Paper MP or Size 
Mismatch
No Paper in Tray 1/2/3
No Paper in Tray 1/2/3 or Size 
Mismatch„The paper tray may be out of paper or not properly installed. If it is empty, put a 
new stack of paper in the paper tray and then press Go.
„If there is paper in the paper tray, make sure it is straight. If the paper is curled, 
straighten it before printing. Sometimes it is helpful to remove the paper, turn the 
stack over and put it back in the paper tray.
„Cut the amount of paper in the paper tray, and then try again.
„Make sure you use paper that meets Brother’s recommended paper 
specifications. See About paper on page 5.
„Load the same size paper that you selected in the current driver setting.
Jam MP Tray
Jam Tray 1/2/3
Jam Inside
Jam Rear
Jam Duplex„Clear the jammed paper from the indicated area. See Paper jams and how to 
clear them on page 84.
Incorrect Paper Size for Auto 
DX„Press Go or Job Cancel. Set the correct paper that you want to use, or load the 
same size paper that you selected in the current driver setting. The paper size 
you can use for automatic duplex printing is A4, Letter or Legal.
Duplex Disabled„Close the back cover of the printer and put the duplex tray back in.
Front Cover is Open„Close the front cover of the printer.
Fuser Cover is Open„Close the fuser cover located behind the back cover of the printer.
 
 
						

							7. Troubleshooting
81
Dust On Drum„See Cleaning the corona wire on page 77.
Memory Full„Press Go to print the remaining data in the printer memory. Cancel the print job 
if you want to delete the remaining data in the printer memory. See Control panel 
buttons on page 51.
„Reduce the complexity of your document or cut the print resolution.
„Add more memory. See Installing extra memory on page 58.
Print Overrun„Press Go to print the remaining data in the printer memory. Cancel the print job 
if you want to delete the remaining data in the printer memory. See Control panel 
buttons on page 51.
„If this does not clear the error, reduce the complexity of your document or cut the 
print resolution.
„Add more memory. See Installing extra memory on page 58.
„Set page protection to AUTO by using the supplied Windows
® driver or Remote 
Printer Console program.
„Change the following settings in the supplied Windows
® driver and try again. The 
best combination of these settings will vary depending on your document:
• Graphics mode
• TrueType mode
• Use Printer TrueType
® Fonts
Service Call Error„Check the LED indication to identify the error. See Service call indications on 
page 49.
Error messageAction
 
						

							7. Troubleshooting
82
Error message printout
The printer can also report problems by printing an error message. Use the table below to identify and clear 
the error message.
Error messageAction
MEMORY FULL„Press Go to print the remaining data in the printer memory. Cancel the print job 
if you want to delete the remaining data in the printer memory. See Control panel 
buttons on page 51.
„Reduce the complexity of your document or cut the print resolution.
„Add more memory. See Installing extra memory on page 58
PRINT OVERRUN„Press Go to print the remaining data in the printer memory. Cancel the print job 
if you want to delete the remaining data in the printer memory. See Control panel 
buttons on page 51.
„If this does not clear the error, reduce the complexity of your document or cut the 
print resolution.
„Add more memory. See Installing extra memory on page 58.
„Set page protection to AUTO by using the supplied Windows
® driver or Remote 
Printer Console program.
„Change the following settings in the supplied Windows
® driver and try again. The 
best combination of these settings will vary depending on your document:
• Graphics mode
• TrueType mode
• Use Printer TrueType
® Fonts
RESOLUTION REDUCED TO 
ENABLE PRINTING
(The printer has printed the 
document at a reduced 
resolution)„Reduce the complexity of your document before you print to prevent automatic 
reduction in the resolution.