User Guide

xviii
12 Troubleshooting and routine maintenance .....................12-1
Troubleshooting .............................................................12-1
Error messages ........................................................12-1
Original jams.............................................................12-4
Original is jammed in the top of the ADF unit........12-4
Original is jammed inside the ADF unit. ...............12-5
Paper jams................................................................12-6
Paper is jammed in the duplex tray
(For MFC-8640D, MFC-8840D and
MFC-8840DN) ................................................12-11
If you are having difficulty with your MFC...............12-13
Improving the print quality.......................................12-18
Packing and shipping the MFC.....................................12-22
Routine maintenance....................................................12-25
Cleaning the scanner..............................................12-25
Cleaning the printer ................................................12-26
Cleaning the drum unit............................................12-27
Replacing the toner cartridge..................................12-28
How to replace the toner cartridge..........................12-29
Replacing the drum unit..........................................12-34
Checking the drum life............................................12-37
Page Counter .........................................................12-37
13 Optional accessories .........................................................13-1
Memory board.................................................................13-1
Installing the optional memory board........................13-2
Network (LAN) board......................................................13-4
Before starting installation ........................................13-5
Step 1: Hardware installation....................................13-5
Step 2: Connecting the NC-9100h to an Unshielded
Twisted Pair 10BASE-T or 100BASE-TX Ethernet
Network ................................................................13-8
LED.......................................................................13-8
TEST SWITCH .....................................................13-9
Paper Tray #2...........................................................13-9
G Glossary ............................................................................... G-1