Brother Mfc 7225n User Manual

Chapter 11
11 - 9
Paper is jammed inside the drum unit 
and toner cartridge assembly
1Open the front cover.
2Pull out the drum unit and toner 
cartridge assembly. 
3Hold down the lock lever on the left and 
pull the toner cartridge out of the drum 
unit. Take out the jammed paper if there 
is any inside the drum unit.
4Put the toner cartridge back into the 
drum unit until you hear it lock into place. 
If you put it in properly, the lock lever will 
lift automatically.
5Put the drum unit and toner...

Troubleshooting and routine maintenance11 - 10
11
If you are having difficulty with your machine
If you think there is a problem with the way your faxes look, make a copy first. If the copy looks 
good, the problem is probably not your machine. Check the chart below and follow the 
troubleshooting tips.
The Brother Solutions Center offers the latest FAQs and troubleshooting tips.
Visit us at http://solutions.brother.com
.
DIFFICULTYSUGGESTIONS
Printing or Receiving Faxes
 Condensed print 
 Horizontal...

Chapter 11
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Sending Faxes
Poor fax send quality  Try changing your resolution to  Fine or S.Fine . Make a copy to check your 
machine’s scanner operation. If the copy quality is not good, clean the scanner. 
(See  Cleaning the scanner  on page 11-21.)
Transmission Verification Report 
says ‘RESULT:NG’ or 
‘RESULT:ERROR’. There is probably temporary noise or static on the line. Try sending the fax again.
(MFC-7225N only)
If you send a PC FAX message and get ‘RESULT:NG’ on the Transmission...

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Printer Difficulties 
The machine does not print. Please make sure: The machine is plugged in and the power switch is turned On. (See the Quick Setup Guide on page 7.) 
— OR —
 The toner cartridge and drum unit are installed properly. (See  Replacing the 
drum unit (DR-2000)  on page 11-26.)
— OR —
 The interface cable is securely connected between the machine and computer.  (See the Quick Setup Guide.) 
— OR —
 The correct printer driver has been...

Chapter 11
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Scanning Difficulties (MFC-7225N only)
TWAIN errors appear while 
scanning. Make sure the Brother TWAIN driver is selected as the primary source. In 
PaperPort
®, click Scan in the File menu and select the Brother TWAIN driver.
Software Difficulties (MFC-7225N only)
Cannot install software or print. Run the  Repair MFL-Pro Suite program on the CD-ROM. This program will repair 
and reinstall the software.
Cannot perform ‘2 in 1’ or ‘4 in 1’ 
printing. Check that the paper size setting...

Troubleshooting and routine maintenance11 - 14
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Print Quality Difficulties
Printed pages are curled. Low quality thin or thick paper can cause this problem. Make sure you select the Paper Type that suits the media type you use. (See  About paper on page 1-8.)
Printed pages are smeared. The Paper Type setting may be incorrect for the type of print media you are  using—OR—The print media may be too thick or have a rough surface. 
(See  About paper  on page 1-8 and  Basic tab in the Software User’s Guide...

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Improving the print quality
Examples of poor print qualityRecommendation
Faint
Check the machine’s environment. Conditions such as humidity, high 
temperatures, and so on may cause this print fault. (See  Choosing a location on 
page 1-2.)
If the whole page is too light,  Toner Save mode may be on. Turn off  Toner Save 
mode in the Advanced tab of printer driver Properties.
— OR —
If this problem occurs when making copies or printing received faxes, turn off 
Toner Save mode in the...

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White Spots on black text and graphics at 78.5 mm 
intervals
Black Spots at 78.5 mm  intervals
Cleaning the drum unit
Dust, paper powder, glue, and so on may stick to the surface of the photosensitive 
drum (OPC) and cause black or white spots to appear on printed documents.
Make a few copies of a blank, white sheet of paper. (See  Making multiple copies 
on page 8-2.)
If you still see the spots on printed documents after making multiple copies, clean...

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Black toner marks across the page
Make sure that you use paper that meets our specifications. (See  About paper on 
page 1-8.)
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  Cleaning the drum unit 
on page 11-16.)
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...

Troubleshooting and routine maintenance11 - 18
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Curl or wave
Check the paper type and quality. High temperatures and high humidity will cause 
paper to curl.
If you don’t use the machine very 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 paper is loaded properly.
Check the paper type and quality. (See  About paper on page 1-8.)...