User Manual
Table Of Contents
- Advanced User’s Guide MFC-L8600CDW/MFC-L8850CDW/MFC-L9550CDW
- User’s Guides and where do I find them?
- Table of Contents
- 1 General Setup
- 2 Security features
- Secure Function Lock 3.0
- Active Directory Authentication
- IPSec
- Setting Lock
- Restricting dialing
- 3 Sending a fax
- Additional sending options
- Additional sending operations
- Sending a fax manually
- Sending a fax at the end of a conversation
- Dual access
- Broadcasting
- Real Time Transmission
- Overseas Mode
- Delayed Fax
- Delayed batch transmission
- Checking and canceling waiting jobs
- Setting your changes as the new default
- Restoring all fax settings to the factory settings
- Saving fax options as a Shortcut
- Electronic cover page
- Destination Display
- 4 Receiving a fax
- 5 Dialing and storing numbers
- 6 Printing reports
- 7 Making copies
- Copy settings
- Stop copying
- Improving copy quality
- Enlarging or reducing copies
- 2-sided Copying
- Tray selection
- Adjusting Density and Contrast
- Sorting copies
- Making N in 1 copies (page layout)
- 2 in 1 ID Copy
- Adjusting the Color Saturation
- Making 2-sided N in 1 copies (MFC-L8850CDW and MFC-L9550CDW)
- Removing Background Color
- Saving copy options as a Shortcut
- Saving paper
- Copy settings
- A Routine maintenance
- Cleaning and checking the machine
- Cleaning the outside of the machine
- Cleaning the scanner
- Cleaning the laser scanner windows
- Cleaning the corona wires
- Cleaning the drum unit
- Cleaning the paper pick-up rollers
- Calibration
- Color Registration
- Auto Correction
- Printing the Test Print
- Checking the Page Counters
- Checking the remaining life of toner cartridges
- Checking the remaining life of parts
- Replacing periodic maintenance parts
- Packing and shipping the machine
- Cleaning and checking the machine
- B Options
- C Glossary
- Index
Routine maintenance
71
A
Cleaning the drum unit A
If your printout has dots or other repeating
marks at 94 mm intervals, the drum may have
foreign material, such as glue from a label,
stuck on the drum surface. Follow these
steps to solve the problem:
a Make sure the machine is in the Ready
mode.
b Press .
c Press All Settings.
d Swipe up or down, or press a or b to
display Print Reports.
e Press Print Reports.
f Swipe up or down, or press a or b to
display Drum Dot Print.
g Press Drum Dot Print.
h The Touchscreen displays Press
[OK].
Press OK.
i The machine will print the Drum Dot
Check Sheet. Then press .
j Press and hold down to turn off the
machine.
k Press the front cover release button and
pull open the front cover.