312
6. Troubleshooting
Printing quality problems
If the inside of the machine is dirty or paper has been loaded improperly, there might be a reduction in print quality. See the table below to clear the problem.
Condition
Suggested solutions
Light or faded print
•
If a vertical white streak or faded area appears on the page, the toner supply is low. Install a new toner cartridge (see "Replacing the
toner cartridge" on page 81).
•
The paper may not meet paper specifications; for example, the paper may be too moist or rough.
•
If the entire page is light, the print resolution setting is too low or the toner save mode is on. Adjust the print resolution and turn
the toner save mode off. See the help screen of the printer driver.
•
A combination of faded or smeared defects may indicate that the toner cartridge needs cleaning. Clean the inside of your machine
(see "Cleaning the machine" on page 91).
•
The surface of the LSU part inside the machine may be dirty. Clean the inside of your machine (see "Cleaning the machine" on page
91). If these steps do not correct the problem, contact a service representative.
The top half of the paper is
printed lighter than the rest of
the paper
The toner might not adhere properly to this type of paper.
•
Change the printer option and try again. Go to
Printing Preferences
, click the
Paper
tab, and set the paper type to
Recycled
(see
"Opening printing preferences" on page 53).
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Страница 79: ...Redistributing toner 79 3 Maintenance 4 M3370 M3870 M4070 series...
Страница 80: ...Redistributing toner 80 3 Maintenance 5 M3375 M3875 M4075 series...
Страница 88: ...Installing accessories 88 3 Maintenance 2 1 1 2...
Страница 93: ...Cleaning the machine 93 3 Maintenance 1...
Страница 104: ...Clearing jams 104 4 Troubleshooting M387x M407x series Click this link to open an animation about clearing a jam...
Страница 106: ...Clearing jams 106 4 Troubleshooting M3370 M3870 M4070 series Click this link to open an animation about clearing a jam...
Страница 109: ...Clearing jams 109 4 Troubleshooting If you do not see the paper in this area stop and go to next step...
Страница 110: ...Clearing jams 110 4 Troubleshooting 6 In the duplex unit area Click this link to open an animation about clearing a jam...
Страница 114: ...Clearing jams 114 4 Troubleshooting If you do not see the paper in this area stop and go to next step...
Страница 146: ...Regulatory information 146 5 Appendix 27 China only...