tips on using letterhead 32
Too many flash options installed [58] 133
Too many trays attached [58] 133
tools, required 43
touch screen
buttons 210
transparencies
tips 33
Tray [x] paper size unsupported 133
troubleshooting
initial check 45
troubleshooting, image quality
scanner image quality problems 60
troubleshooting, print quality
blank pages 49
gray background 46
shadow images 52
skewed print 54
solid black pages 50
streaked vertical lines appear on prints 55
toner smear 57
toner specks 58
troubleshooting, service checks
800 service error messages 192
809 service error messages 192
816–824 service error messages 193
850–891 service error messages 193
network service check 140
U
understanding the home screen buttons and icons 208
Unformatted flash detected [53] 133
Unsupported option in slot [x] [55] 134
Unsupported USB hub, please remove 121
updating the printer firmware
using a flash drive 246
using a network computer 246
USB port 531
using the touch‑screen buttons 210
V
vertical mount contact connector 253
W
Waste toner bottle nearly full [82.xy] 134
Weblink server not set up. Contact system
administrator. 134
Z
zero insertion force (ZIF) connectors 248
7421
Index
784
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