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
Summary of Contents for ProXpress M4030ND
Page 3: ...3 BASIC 5 Appendix Specifications 101 Regulatory information 110 Copyright 120 ...
Page 62: ...Redistributing toner 62 3 Maintenance 1 2 ...
Page 68: ...Installing accessories 68 3 Maintenance 1 2 ...
Page 73: ...Cleaning the machine 73 3 Maintenance 1 2 2 1 ...
Page 75: ...Cleaning the machine 75 3 Maintenance 2 1 1 2 ...
Page 83: ...Clearing paper jams 83 4 Troubleshooting 3 In the multi purpose tray ...
Page 85: ...Clearing paper jams 85 4 Troubleshooting 1 2 2 1 ...
Page 88: ...Clearing paper jams 88 4 Troubleshooting 6 In the duplex unit area 1 2 1 2 1 2 ...
Page 119: ...Regulatory information 119 5 Appendix 21 China only ᆇ 䋼 ...