Brother Hl5370dw Owners Manual

							Troubleshooting
131
7
White Spots on black text 
and graphics at 94 mm 
(3.7 in.) intervals
Black Spots at 94 mm 
(3.7 in.) intervals„If the problem is not solved after printing a few pages, the drum unit may have 
glue from a label stuck on the OPC drum surface.
Clean the drum unit as follows:
7
1) Put the print sample in front of the drum unit, and find the exact position of the 
poor print.
2) Turn the drum unit gear by hand while looking at the surface of the OPC 
drum (1).
3) When you have found the mark on the drum that matches the print sample, 
wipe the surface of the OPC drum with a dry cotton swab until the dust or glue 
on the surface comes off.
IMPORTANT
 
DO NOT clean the surface of the photosensitive drum with a sharp object.
 
„The drum unit may be damaged. Put in a new drum unit. See Replacing the drum 
unit on page 102.
Examples of poor print 
qualityRecommendation
1 
						

							Troubleshooting
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7
Black toner marks across the 
page„The drum unit may be damaged. Put in a new drum unit. See Replacing the drum 
unit on page 102.
„The toner cartridge may be damaged. Put in a new toner cartridge. See 
Replacing the toner cartridge on page 95.
„Make sure that you use paper that meets our specifications. See About paper on 
page 6.
„If you use label sheets for laser printers, the glue from the sheets may sometimes 
stick to the OPC drum surface. Clean the drum unit. See Clean the drum unit as 
follows: on page 131.
„Do not use paper that has clips or staples because they will scratch the surface 
of the drum.
„If the unpacked drum unit is in direct sunlight or room light, the unit may be 
damaged.
Black lines down the page
Printed pages have toner stains 
down the page.„Clean the primary corona wire inside the drum unit by sliding the blue tab. See 
Cleaning the corona wire on page 113.
„Make sure the primary corona wire cleaner is at the home position (a).
„The drum unit may be damaged. Put in a new drum unit. See Replacing the drum 
unit on page 102.
„The toner cartridge may be damaged. Put in a new toner cartridge. See 
Replacing the toner cartridge on page 95.
„The fuser unit may be smudged. Call your dealer or Brother Customer Service.
White lines down the page„Make sure that a torn piece of paper is not inside the printer covering the scanner 
window.
„Wipe the scanner window with a soft cloth. See Cleaning the inside of the printer 
on page 108.
„The toner cartridge may be damaged. Put in a new toner cartridge. See 
Replacing the toner cartridge on page 95.
„The drum unit may be damaged. Put in a new drum unit. See Replacing the drum 
unit on page 102.
Page skewed„Make sure that the paper or other print media is loaded properly in the paper tray 
and that the guides are not too tight or too loose against the paper stack.
„Set the paper guides correctly. See Printing on plain paper, bond paper or 
transparencies from Tray 1, 2 or 3 on page 11.
„If you are using the multi-purpose tray, see Printing on plain paper, bond paper 
or transparencies from the MP tray on page 16.
„The paper tray may be too full. See Printing on plain paper, bond paper or 
transparencies from Tray 1, 2 or 3 on page 11.
„Check the paper type and quality. See About paper on page 6.
Examples of poor print 
qualityRecommendation 
						

							Troubleshooting
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7
Curled or wavy„Check the paper type and quality. High temperatures and high humidity will cause 
paper to curl. See About paper on page 6.
„If you do not use the printer often, the paper may have been in the paper tray too 
long. Turn over the stack of paper in the paper tray. Also, fan the paper stack and 
then rotate the paper 180° in the paper tray.
Wrinkles or creases„Make sure that the paper is loaded properly. See Printing on plain paper, bond 
paper or transparencies from Tray 1, 2 or 3 on page 11.
„Check the paper type and quality. See About paper on page 6.
„Turn over the stack of paper in the tray or try rotating the paper 180° in the input 
tray.
Envelope Creases„Make sure that the envelope levers inside the back cover is pulled down when 
you print the envelope.
Note When you have finished printing, open the back cover and reset the two blue levers 
back to their original position.
 
Examples of poor print 
qualityRecommendation 
						

							Troubleshooting
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7
Poor Fixing„Open the back cover and make sure that the two blue levers on the left and right 
hand sides are in the up position.
„Choose Improve Toner Fixing mode in the printer driver. See Improve Print 
Output in Advanced tab on page 39 (For Windows
® printer driver), Advanced 
options on page 51 (For BR-Script printer driver for Windows
®) or Print Settings 
on page 58 (For Macintosh). If this selection does not provide enough 
improvement, select Thicker Paper in Media Type settings.
Examples of poor print 
qualityRecommendation 
						

							
Troubleshooting135
7
Curled „
Lift up the Face-down Output Tray Support Flap 2 (Support Flap 2) (1).
„ Choose  Reduce Paper Curl  mode in the printer driver. See  Improve Print 
Output  in Advanced tab  on page 39 (For Windows
® printer driver),  Advanced 
options  on page 51 (For BR-Script printer driver for Windows
®) or Print Settings  
on page 58 (For Macintosh).
„ Turn the paper over in the paper tray, and print again (excluding Letterhead 
paper). If the problem remains, slid e the Anti-Curl Switch as follows:
1) Open the back cover.
2) With one hand, use the tab (1) to lift  the roller assembly, then use your other 
hand to slide the Anti-Curl Switch (2) in the direction of the arrow.
3) Close the back cover.
Examples of poor print  qualityRecommendation
1
2
1 
						

							Troubleshooting
136
7
Solving print problems7
ProblemRecommendation
The printer prints unexpectedly 
or it prints garbage data.„Make sure that the printer cable is not too long. We recommend that you use a 
parallel or USB cable that is no longer than 2 meters (6.5 feet).
„Make sure that the printer cable is not damaged or broken.
„If you are using an interface-switching device, remove it. Connect your computer 
directly to your printer, and then try again.
„Make sure that you have chosen the correct printer driver with ‘Set as Default 
Printer’.
„Make sure that the printer is not connected to the same port that is also 
connected to a storage device or scanner. Take away all other devices and 
connect the port only to the printer.
„Turn off the Status Monitor.
The printer cannot print full 
pages of a document. An error 
message MEMORY FULL 
appears.„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 84.)
„Reduce the complexity of your document or cut the print resolution.
„Add more memory. (See Installing extra memory on page 91.)
The printer cannot print full 
pages of a document. An error 
message PRINT OVERRUN 
appears.„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 84.
„Reduce the complexity of your document or cut the print resolution.
„Add more memory. See Installing extra memory on page 91.
„Set page protection to Auto by using the supplied Windows
® driver.
„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
1
„TrueType Mode1
„Use Printer TrueType® Fonts
1Choose the Basic tab, choose Manual in Print Settings, and then click Manual Settings....
The headers or footers appear 
when the document displays on 
the screen but they do not show 
up when it is printed.„Adjust the top and bottom margins of your document.  
						

							Troubleshooting
137
7
Network problems (For HL-5350DN and HL-5370DW)7
For problems concerning using your printer on a Network, see the Network User’s Guide on the CD-ROM we 
have supplied. Click Documentation on the menu screen.
The Network User’s Guide in HTML format will be installed automatically when you install the driver. Click the 
Start button, All Programs
1, your printer, and then User’s Guide.
You can also view the manuals in PDF format by accessing the Brother Solutions Center 
(http://solutions.brother.com/
).
1Programs for Windows® 2000 users
Other problems7
For Macintosh with USB7
ProblemRecommendation
The printer cannot print. The 
‘There was an error writing to 
LPT1: (or BRUSB) for the 
printer’ error message is 
displayed on your computer.„Make sure that the printer cable is not damaged or broken. 
„Make sure the printer is turned on and that no error LEDs are lit on the printer.
„If you have an interface-switching device, make sure that you chose the correct 
printer.
ProblemRecommendation
The printer does not appear in 
Printer Setup Utility (Mac OS 
X 10.3 and 10.4) or Print & Fax 
in System Preferences (Mac 
OS X10.5).„Make sure that the printer is turned on.
„Make sure that the USB interface cable is connected directly to the Macintosh.
„Make sure the printer driver is installed correctly.
Unable to print from the 
application.„Make sure that the supplied Macintosh printer driver is installed and that it is 
chosen with Printer Setup Utility (Mac OS X 10.3 and 10.4) or Print & Fax in 
System Preferences. 
						

							Troubleshooting
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7
BR-Script 37
ProblemRecommendation
The print speed slows down. Add optional memory. (See Installing extra memory on page 91.)
The printer cannot print EPS data 
that includes binary.You need the following settings to print EPS data:
1) For Windows Vista
®: Click Start button, Control Panel, Hardware and 
Sound, and then Printers.
For Windows
® XP and Windows Server® 2003/2008: Click Start button, and 
select Printers and Faxes windows.
For Windows
® 2000: Click Start button, and select Settings and then 
Printers.
2) Right-click the Brother HL-XXXX BR_Script3 series icon and select 
Properties.
3) From the Device Settings tab, choose TBCP (Tagged binary communication 
protocol) in Output Protocol. 
						

							139
A
A
AppendixA
Printer specifications0
Engine0
1The printing speed may change depending on the type of document you print.
2Print speed may be slower when the printer is connected by wireless LAN. 
3From standard paper tray.
4If you use the high quality 1200 dpi setting (1200 x 1200 dpi) the print speed will be slower.
AppendixA
ModelHL-5340DHL-5350DNHL-5370DW
TechnologyElectrophotographic
Print speed
12 
(A4 size/ Letter 
size)Standard (A4/Letter)
Up to 30 ppm (A4 size)3, Up to 32 ppm (Letter size)3
Auto Duplex (A4/Letter) Up to 13 sides per minute (6.5 sheets per minute) (A4 size)
Up to 14 sides per minute (7 sheets per minute) (Letter size)
First print timeLess than 8.5 sec
Resolution
Windows
® 2000/XP/ XP 
Professional x64 Edition, 
Windows Vista
®, Windows 
Server
® 2003/ Windows 
Server
® 2003 x64 Edition/ 
Windows Server
® 20081200 dpi
4
HQ1200
600 dpi
300 dpi
DOS 600 dpi
Mac OS X 10.3.9 or greater
1200 dpi
4
HQ1200
600 dpi
300 dpi
Linux
1200 dpi
4
HQ1200
600 dpi
300 dpi 
						

							Appendix
140
A
Controller0
1Wireless and wired network cannot be used at the same time.
2See the Network Users Guide locator on the CD-ROM for details on the supported network protocols.
3Brother original Windows® and Macintosh utility for printer and print server management. Install from the supplied CD-ROM.
4Brother original Windows® utility for printer and print server management. Download from http://solutions.brother.com/.
5Server based management utility. Download from http://solutions.brother.com/.
6Printer and print server management through Web Based Management (web browser).
7PostScript® 3™ language emulation.
8Code39, Interleaved 2 of 5, FIM (US-PostNet), Post Net (US-PostNet), EAN-8, EAN-13, UPC-A, UPC-E, Codabar, ISBN (EAN), ISBN (UPC-E), 
Code128 (set A, set B, set C), EAN-128 (set A, set B, set C)
ModelHL-5340DHL-5350DNHL-5370DW
Processor300MHz
MemoryStandard 16 MB 32 MB
Option 1 SO-DIMM (144pin) slot 
(64, 128, 256, 512MB); 
expandable up to 
528 MB1 SO-DIMM (144pin) slot (64, 128, 256, 512MB); 
expandable up to 544 MB
Interface
1Standard IEEE 1284 Parallel, Hi-
Speed USB2.0IEEE 1284 Parallel, Hi-
Speed USB2.0, 
10/100BASE-TX EthernetIEEE 1284 Parallel, Hi-
Speed USB2.0, 
10/100BASE-TX 
Ethernet, Wireless LAN 
IEEE 802.11b/g
Network 
ConnectivityProtocols N/A
TCP/IP (Standard 10/100BASE-TX Ethernet)
2
Management 
toolN/A
BRAdmin Light3
BRAdmin Professional 34
Web BRAdmin5
Web Based Management6
Emulation
PCL6, BR-Script37, IBM ProPrinter XL, EPSON FX-850
Resident 
fontsPCL
66 scalable fonts, 12 bitmap fonts, 13 bar codes
8
PostScript® 3™66 fonts