Brother MFC-7240 User's Guide Page 109
- Page / 144
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Troubleshooting
101
B
Improving the print quality B
If the printout has a quality problem, make a copy. If the copy looks good, the problem is probably
not the machine. Check the interface cable connections and the following steps first. And then, if
you still have a print quality problem, check the chart below and follow the recommendations.
Note
Brother does not recommend the use of cartridges other than genuine Brother Original
cartridges or the refilling of used cartridges with toner from other sources.
a To get the best print quality, we suggest using the recommended paper. Check that you use
paper that meets our specifications. (See Acceptable paper and other print media
uu page 17.)
b Check that the drum unit and toner cartridge are installed correctly.
Examples of poor print quality Recommendation
Faint
Take out the drum unit and toner cartridge assembly. Hold the
assembly level with both hands and gently shake it from side to
side several times to spread the toner evenly inside the cartridge.
Check if the Replace Toner Setting is set to Continue
(Continue mode) by pressing Menu, 1, 7. (See Advanced User’s
Guide: Toner settings.)
Check the machine’s environment. Conditions such as humidity,
high temperatures, and so on, may cause this print fault. (See
Product Safety Guide: Choose a safe location for your product.)
If the whole page is too light, Toner Save mode may be on. Turn
off Toner Save in the machine’s menu settings or (for FAX-
2950, MFC-7240 and MFC-7290) Toner Save Mode in the printer
Properties (or Preferences) of the driver. (See Advanced User’s
Guide: Toner save or Software User’s Guide: Advanced tab.)
Clean the corona wire of the drum unit. (See Cleaning the corona
wire uu page 67.)
Put in a new toner cartridge. (See Replacing the toner cartridge
uu page 55.)
Put in a new drum unit. (See Replacing the drum unit
uu page 60.)
Adjust the Print Density by pressing Menu, 2, 1, 6 (for FAX-2950
and MFC-7290) or Menu, 2, 1, 7 (for FAX-2840 and MFC-7240)
and then press c to make the print darker. (See Advanced User’s
Guide: Setting the Print Density.)
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2
3
- Basic User’s Guide 1
- Table of Contents 4
- 5 Receiving a fax 26 5
- B Troubleshooting 76 7
- C Menu and features 112 7
- D Specifications 124 7
- E Index 132 7
- General information 1 9
- Accessing the 10
- Advanced User’s 10
- Guide and Software 10
- User’s Guide 10
- Viewing Documentation 11
- (For FAX-2950, MFC-7240 and 11
- MFC-7290) 1 11
- Chapter 1 12
- General information 13
- Control panel overview 1 14
- Volume settings 1 17
- Loading paper 2 18
- Loading paper 19
- Loading paper in the manual 20
- Chapter 2 22
- For Asia 24
- Paper settings 2 25
- Acceptable paper and 25
- Type and size of paper 2 26
- Handling and using special 28
- Envelopes 2 29
- Types of envelopes to avoid 2 29
- Labels 2 30
- Types of labels to avoid 2 30
- Loading documents 3 31
- Sending a fax 4 32
- Transmission verification 33
- Receiving a fax 5 34
- Using receive modes 5 35
- Receive Mode settings 5 36
- Fax Detect 5 37
- Using PC-FAX (For FAX-2950 38
- MFC-7240 and MFC-7290) 38
- PC-Fax Send 6 39
- Voice operations 7 40
- Telephone line 40
- Telephone Service for 41
- Australia 7 41
- New Zealand 7 42
- How Does FaxAbility Work? 7 43
- Some Countries 7 44
- Connecting an external 45
- (Example 46
- Remote Activation Code 7 47
- Remote Deactivation Code 7 48
- Turning on the Remote Codes 7 48
- Changing the Remote Codes 7 48
- How to dial 8 49
- Storing numbers 8 50
- Storing Speed Dial numbers 8 51
- Changing One Touch and 51
- Speed Dial numbers 8 51
- Deleting One Touch and 52
- Tone or Pulse 52
- Making copies 9 53
- How to print from a computer 54
- (For FAX-2950, MFC-7240 and 54
- MFC-7290) 54
- How to scan to a computer 55
- (For FAX-2950, MFC-7240 and 55
- Chapter 11 56
- SCAN key 11 61
- Routine maintenance A 62
- Toner Ended A 63
- Toner Low A 63
- Replace Toner A 63
- Replacing the drum unit A 68
- Drum Stop A 69
- Resetting the drum counter A 72
- Cleaning the machine A 73
- Cleaning the scanner glass A 74
- Cleaning the document feed A 75
- Cleaning the corona wire A 75
- Cleaning the drum unit A 77
- Cleaning the paper pick-up 82
- Checking the machine A 83
- Troubleshooting B 84
- Journal report B 91
- Document Jams B 92
- Paper Jams B 92
- Paper is jammed at the back 93
- Paper is jammed inside the 96
- Important 101
- Printing received faxes 101
- Receiving Faxes 102
- Receiving Faxes (continued) 103
- Sending faxes 103
- Handling incoming calls 104
- Menu access difficulties 104
- Copying difficulties 104
- Troubleshooting 105
- Paper handling difficulties 106
- Print quality difficulties 107
- Other difficulties 107
- Setting Dial Tone detection B 108
- Telephone line interference/ 108
- Improving the print quality B 109
- ABCDEFGH 110
- Machine Information B 118
- Reset functions B 118
- How to reset the machine B 119
- Menu and features C 120
- Menu table C 121
- Menu and features 123
- Touch numbers 126
- Entering text C 131
- Specifications D 132
- Document Size D 133
- Print media D 133
- Interfaces D 136
- Consumable items D 137
- Computer requirements 138
- Specifications 139
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