Brother International MFC 7440N Support Question
Brother International MFC 7440N Support Question
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Question posted by colemarco on October 19th, 2014
Why Is The Quality Still Poor On Mfc 8440 After I Replaced The Drum
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Current Answers
Answer #1: Posted by freginold on December 8th, 2014 5:06 PM
freginold
Member since:
December 20th, 2011 Points: 23,253,885
Member since:
December 20th, 2011 Points: 23,253,885
The drum unit on an MFC-8440 includes a lot of individual components, but there are several other components that contribute to image quality as well. Any one of these -- including the fuser, laser, or a high voltage supply board -- could be causing the image quality problem. If you repost your problem with a description of what your prints look like (or attach a sample image, if possible) we can help troubleshoot the problem and narrow down the possible causes.
Related Brother International MFC 7440N Manual Pages
Users Manual - English - Page 4
...is declared in accordance with ISO/IEC 19752. 2 Drum yield is approximate, and may vary by type of....brother.ca/
Description Toner Cartridge Standard Toner Cartridge High Yield Drum Unit Telephone Line Cord User's Guide
Quick Setup Guide
Item TN...(MFC-7440N) LS0398001 (English for USA and Canada) (MFC-7840W) LS1179001 (English for USA and Canada) (MFC-7440N) LS0398002 (French for Canada) (MFC-7840W...
Users Manual - English - Page 8
...Laser MFC/Fax machine and will repair or replace (at Brother Authorized Service Centres throughout Canada. Operation of the MFC...Inkjet MFC/Fax machine without limitation, ink cartridges, print cartridges, print rolls, thermal paper rolls, toner cartridges, drum ...products purchased and used in material or workmanship. BROTHER MULTIFUNCTION CENTER / FAX MACHINE LIMITED WARRANTY (Canada only)...
Users Manual - English - Page 13
...Canada Compliance Statement (Canada only 88 Disconnect device 88 LAN connection 88 International ENERGY STAR® Compliance Statement 89 Laser safety 89 FDA regulations 89 Important safety ... Cleaning the laser scanner window 120 Cleaning the corona wire 122 Cleaning the drum unit 123
Replacing the consumable items 126 Replacing a toner cartridge 126 Replacing the drum unit 130
...
Users Manual - English - Page 108
...possible interference on the telephone line, try changing the Compatibility setting to Basic(for VoIP)(For MFC-7840W, Normal or Basic(for a dial tone.
To free up .
94 If Easy ...See the Quick Setup Guide.) (Canada only)
Check all line cord connections.
Sending faxes
Difficulties Poor sending quality. Deactivate the machine by dirt or correction fluid on the glass strip. (See Cleaning the ...
Users Manual - English - Page 109
...and is common to your machine is crucial to all devices that Use Printer Offline is dirty. (See Cleaning the ...(See Replacing the drum unit on page 130.)
„ Check the interface cable connection on a single line.
Right-click
Brother MFC-XXXX .... Copy quality difficulties
Difficulties
Vertical black line appears in Fax mode.
Make sure that the toner cartridge and drum unit are...
Users Manual - English - Page 114
... in a new drum unit. (See Replacing the drum unit on page 130.)
100 Improving the print quality B
Examples of poor print quality White lines across ...drum unit. (See Replacing the drum unit on page 126.)
„ The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page 130.)
„ Wipe the laser scanner windows with a soft cloth. (See Cleaning the laser...
Users Manual - English - Page 115
... printer driver. (See Device Options (For Windows®...drum unit. (See Replacing the drum unit on the CD-ROM.) „ The drum unit may be contaminated. Call Brother Customer Service. „ Check the paper type and quality...poor print quality
AaAa0bBbc1CBdDec2EfCgdF3hGDie4jHk
Page skewed
Ghost
B DEFGH abc efghijk
A CD bcde 1 34
Wrinkles or creases
ABCDEFGH abcdefghijk
ABCD abcde 01234
Poor...
Users Manual - English - Page 116
...a blank, white sheet of poor print quality
Recommendation
„ Check the paper type and quality. Put in a new drum. (See Replacing the drum unit on page 130.)
White Spots on the OPC drum surface. Also, fan the ... the machine often, the paper may be damaged. Clean the drum unit. (See Cleaning the drum unit on page 123.)
„ The drum unit may have glue from a label stuck on black text ...
Users Manual - English - Page 117
Put in a new drum unit. (See Replacing the drum unit on page 126.)
„ The drum unit may be damaged. Put in the Software User's Guide on the CDROM.)
„ Clean the scanner window and the corona wire of poor print quality
ABCDEFGH abcdefghijk
ABCD abcde 01234
Faint
ABCDEFGH abcdefghijk
ABCD abcde 01234
Toner specks
All black...
Users Manual - English - Page 118
...(in USA) or 1-877-BROTHER (in a new drum unit. (See Replacing the drum unit on page 130.)
Line across the page
ABCDEFGH...poor print quality
ABCDEFGH abcdefghijk
ABCD abcde 01234
Black toner marks across the page
ABCDEFGH abcdefghijk
ABCD abcde 01234
Black lines down the page Printed pages have toner
stains down the page
„ Clean the corona wire inside the drum unit. (See Cleaning the laser...
Users Manual - English - Page 119
... OK. a (USA) Press Menu, 0, 4.
(Canada) Press Menu, 0, 5. B
105 Troubleshooting and routine maintenance
Examples of poor print quality
Curled
Recommendation
„ Choose Reduce Paper Curl mode in the printer driver when you do not use our recommended paper. (See Device Options (For Windows®) or Print Settings (For Macintosh®) in the Software User...
Users Manual - English - Page 121
... telephone line.
If this happens, your telephone line. The drum unit is not installed properly. Poor telephone line quality caused a communication error. You can correct most common error ...size in Polled Waiting mode. Pull out the drum unit, take out the toner cartridge that is not in Chapter 3)). B
107 then replace the drum unit with any sophisticated office product, errors may...
Users Manual - English - Page 122
... and that the exhaust outlet is spinning, remove any important messages.
Replace the drum unit. (See Replacing the drum unit on the drum unit. (See
needs to be turned off distinctive ring on page 46.)...can hear the fan in the back of the following:
(MFC-7440N only) See Transferring your faxes or Fax Journal report on page 122.)
The drum unit has reached the end of its life. DR Mode ...
Users Manual - English - Page 125
... of the following :
„ Re-install the toner cartridge and drum unit assembly.
„ Replace the empty toner cartridge with a new one of its life and ...
Order a new toner cartridge now. however, the machine is near the end of the following :
„ (MFC-7440N only) See Transferring your faxes or Fax Journal report on page 112.)
You can still print;
Troubleshooting and routine ...
Users Manual - English - Page 138
... clean the surface of the photosensitive drum with a dry cotton swab until the dust or glue on the
drum that matches the print sample, wipe the surface of the OPC drum (1).
1
g When you have ...or wiping motion because this might damage the drum.
124
To prevent damage to the machine caused by hand while
looking at once. To avoid print quality problems, DO NOT touch the shaded parts shown...
Users Manual - English - Page 142
... seal up the used toner cartridge out of the drum unit. CAUTION
Handle the toner cartridge carefully. If toner... machine, we strongly recommend the use only Genuine Brother Brand replacement toner cartridge. Our warranty coverage does not apply to any... times to the machine and/or may result in unsatisfactory print quality. Brother strongly recommends that you put a toner cartridge into a...
Users Manual - English - Page 185
...jobs awaiting redial 38 print jobs 7 remote fax options 60
Cleaning corona wire 122 drum unit 123 laser scanner window 120 scanner glass 119
Connecting external TAD (answering machine) .......47 external ...C
Canceling broadcast in process 33 fax jobs in 1 (page layout 74
out of memory 75
quality 73
single 70
sort (ADF only 73
temporary settings 71
using ADF 73, 75
using the ...
Users Manual - English - Page 187
...Software User's Guide on the CD-ROM.
Maintenance, routine 118 checking the remaining life of drum unit 133 replacing drum unit 130 toner cartridge 126
Manual dialing 52
receive 39, 40
transmission 38 Memory
storage 135... 22 Help List 67
M
Machine information checking remaining life of drum unit ...133 page counts 132
Macintosh® See Software User's Guide on the
CD-ROM.
Users Manual - English - Page 188
...faxes 43
Remote retrieval 61 access code 61 commands 63
174
getting your machine 135
Q
Quality
copying 72, 73 printing 97, 100
Quick dial 53 access codes and credit card numbers... 7 keys 7 paper jams 114
quality 97, 100
reports 67 resolution 158 Secure key 7 specifications 158 Printing See Software User's Guide on the CD-ROM. Replacing drum unit 130 toner cartridge 126
Reports ...
Software Users Manual - English - Page 3
...® printer driver 11 Basic tab...11 Advanced tab...14 Print Quality ...15 Duplex Printing ...16 Watermark ...17 Page Setting ...19 Device Options ...20 Support tab ...22 Tray Settings ...23 Features in the BR-Script (PostScript® 3 ™ language emulation) printer driver (MFC-7840W only) ...25 Printing Preferences ...25 Advanced options ...27 Ports...
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