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Printing quality problems
240
6. Troubleshooting
Vertical lines
If black vertical streaks appear on the page:
•
The surface (drum part) of the cartridge inside the machine has probably been scratched. Remove the cartridge and install a new
one (see "Replacing the toner cartridge" on page 63).
If white vertical streaks appear on the page:
•
The surface of the LSU part inside the machine may be dirty. Clean the inside of your machine (see "Cleaning the machine" on page
71). If these steps do not correct the problem, contact a service representative.
Black or color background
If the amount of background shading becomes unacceptable:
•
Change to a lighter weight paper.
•
Check the environmental conditions: very dry conditions or a high level of humidity (higher than 80% RH) can increase the amount
of background shading.
•
Remove the old toner cartridge and install a new one (see "Replacing the toner cartridge" on page 63).
•
Thoroughly redistribute the toner (see "Redistributing toner" on page 61).
Toner smear
•
Clean the inside of the machine (see "Cleaning the machine" on page 71).
•
Check the paper type and quality.
•
Remove the toner cartridge and install a new one (see "Replacing the toner cartridge" on page 63).
Condition
Suggested solutions
Содержание ProXpress M4030ND
Страница 3: ...3 BASIC 5 Appendix Specifications 101 Regulatory information 110 Copyright 120 ...
Страница 62: ...Redistributing toner 62 3 Maintenance 1 2 ...
Страница 68: ...Installing accessories 68 3 Maintenance 1 2 ...
Страница 73: ...Cleaning the machine 73 3 Maintenance 1 2 2 1 ...
Страница 75: ...Cleaning the machine 75 3 Maintenance 2 1 1 2 ...
Страница 81: ...Clearing paper jams 81 4 Troubleshooting 2 In optional trays The procedure is same for all optional trays ...
Страница 83: ...Clearing paper jams 83 4 Troubleshooting 3 In the multi purpose tray ...
Страница 85: ...Clearing paper jams 85 4 Troubleshooting 1 2 2 1 ...
Страница 88: ...Clearing paper jams 88 4 Troubleshooting 6 In the duplex unit area 1 2 1 2 1 2 ...
Страница 119: ...Regulatory information 119 5 Appendix 21 China only ᆇ 䋼 ...