Konica-minolta bizhub 20 User Manual Page 126
- Page / 203
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
Rated. / 5. Based on customer reviews
Troubleshooting and routine maintenance
117
C
Improving the print quality C
Examples of poor print
quality
Recommendation
White lines across the page
Make sure that you use paper that meets our specifications. A rough
surfaced paper or thick print media can cause the problem. (See
Acceptable paper and other print media on page 12.)
Make sure that you choose the appropriate media type in the printer
driver or in the machine’s Paper Type menu setting. (See Acceptable
paper and other print media on page 12 and Basic tab in the Software
User’s Guide on the CD/DVD-ROM.)
The problem may disappear by itself. Print multiple pages to clear this
problem, especially if the machine has not been used for a long time.
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 145.)
White lines down the page
Wipe the laser scanner windows with a dry, lint-free soft cloth. (See
Cleaning the laser scanner window on page 138.)
Make sure that a torn sheet of paper is not inside the machine
covering the scanner window.
The toner cartridge may be damaged. Put in a new toner cartridge.
(See Replacing a toner cartridge on page 143.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 145.)
Hollow print
Make sure that you use paper that meets our specifications. (See
Acceptable paper and other print media on page 12.)
Choose Thick paper mode in the printer driver, choose Thick in the
machine
’s Paper Type menu setting or use thinner paper than you
are currently using. (See Paper Type on page 19 and Basic tab in the
Software User’s Guide on the CD/DVD-ROM.)
Check the machine
’s environment. Conditions such as high humidity
can cause hollow print. (See Choosing a location on page 92.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 145.)
Gray background
Make sure that you use paper that meets our specifications. (See
Acceptable paper and other print media on page 12.)
Check the machine
’s environment. Conditions such as high
temperatures and high humidity can increase the amount of
background shading. (See Choosing a location on page 92.)
The toner cartridge may be damaged. Put in a new toner cartridge.
(See Replacing a toner cartridge on page 143.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 145.)
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- USER’S GUIDE 1
- Publication Notice 2
- Table of Contents 3
- Section II Fax 4
- 6 Receiving a fax 41 5
- 9 Remote Fax Options 60 6
- 10 Polling 67 6
- 11 Printing reports 70 6
- Section III Copy 7
- Section IV Direct printing 7
- Section V Software 7
- Section VI Appendixes 8
- D Menu and features 152 9
- E Specifications 172 9
- F Glossary 185 9
- G Index 189 9
- General I 10
- General information 1 11
- Control panel overview 1 12
- Status LED indications 1 15
- Loading paper and documents 2 17
- Unprintable area 2 20
- Acceptable paper and 21
- Loading documents 2 26
- General Setup 3 28
- Paper Size 3 29
- Tray Use in copy mode 3 30
- Tray Use in fax mode 3 30
- Volume settings 3 31
- Automatic daylight 32
- Ecology features 3 33
- Turning off the scanner 33
- LCD Contrast 3 33
- Security features 4 34
- Changing the password for 35
- Setting up the public user 35
- Setting up restricted users 4 36
- Turning Secure Function 36
- Lock on/off 4 36
- Setting Lock 4 37
- Restricting dialling 4 38
- Speed Dial restriction 4 39
- LDAP server restriction 4 39
- Section II 40
- Sending a fax 5 41
- Sending a fax from the 42
- Broadcasting 5 43
- Additional sending 44
- Electronic cover page 5 45
- Contrast 5 46
- Changing Fax Resolution 5 46
- Dual access 5 47
- Real Time Transmission 5 47
- Overseas Mode 5 47
- Manual transmission 5 48
- Out of memory message 5 49
- Receiving a fax 6 50
- Using receive modes 6 51
- Receive Mode settings 6 52
- Fax Detect 6 53
- Setting the Print Density 6 53
- Additional receiving 54
- Printing a fax from the 55
- Out of Paper Reception 6 55
- Telephone line 56
- Connecting an external 57
- Connections 7 58
- Recording an outgoing 58
- External and extension 59
- Connecting an external or 60
- Using a non-KONICA 61
- MINOLTA cordless external 61
- Using Remote Codes 7 61
- How to dial 8 62
- Search 8 63
- LDAP search 8 63
- Fax redial 8 63
- Storing numbers 8 64
- Storing Speed Dial numbers 8 65
- Changing One Touch and 66
- Speed Dial numbers 8 66
- Setting up Groups for 67
- Broadcasting 8 67
- Combining quick dial 68
- Tone or Pulse 8 68
- Remote Fax Options 9 69
- Fax Storage 9 70
- PC Fax Receive 9 70
- Changing Remote Fax 71
- Remote retrieval 9 72
- Using your Remote Access 73
- Retrieving fax messages 9 73
- Changing the Fax Forwarding 74
- Remote fax commands 9 75
- Polling 10 76
- Polled transmit 10 77
- Printing reports 11 79
- Reports 11 80
- Chapter 11 81
- Copy III 82
- Making copies 12 83
- Copy options 84
- (temporary settings) 84
- Improving copy quality 12 85
- Changing text copy 85
- Adjusting Contrast and 86
- Brightness 12 86
- Duplex (2-sided) 88
- Advanced Duplex Copy 89
- (short edge flip) 12 89
- Tray selection 12 90
- Out of memory 91
- Direct printing IV 92
- Supported file formats 13 93
- Creating a PRN or 93
- PostScript 93
- 3™ file for 93
- Understanding the 96
- Chapter 13 97
- Software V 98
- Appendixes VI 100
- Safety and legal A 101
- To use the machine safely A 102
- Safety and legal 104
- IMPORTANT 105
- FDA regulations A 111
- Laser safety A 111
- Disconnect device A 112
- LAN connection A 113
- Radio interference A 113
- International ENERGY STAR 114
- Compliance Statement A 114
- Trademarks A 116
- Options B 117
- Troubleshooting and routine 119
- Sending faxes 120
- Handling incoming calls 120
- Menu access difficulties 121
- Copy difficulties 121
- Printing difficulties 121
- Scanning difficulties 122
- Software difficulties 122
- Paper handling difficulties 123
- Print quality difficulties 123
- Network difficulties 123
- Improving the print quality C 126
- ABCDEFGH 127
- EFGHIJKLMN 128
- Setting Dial Tone detection C 133
- Telephone line interference C 133
- Journal report C 138
- Routine maintenance C 146
- Replacing periodic 157
- Machine Information C 157
- How to Reset C 158
- Packing and shipping 159
- Menu and features D 161
- How to access the menu 162
- Menu table D 163
- Menu and features 164
- Entering text D 179
- Specifications E 181
- Specifications 182
- Print media E 183
- Interfaces E 189
- Direct Print feature E 189
- Computer requirements E 190
- Consumable items E 192
- Ethernet wired network E 193
- Glossary F 194
- Glossary 196
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