solid color or black image 49
text or images cut o 45
toner easily rubs o 36
uneven print density 56
vertical colored lines or banding 50
vertical white lines 46
troubleshooting, scan quality
ADF skew 67
dark image 64
media damage (using the ADF) 69
spots 66
vertical lines 65
troubleshooting, service checks
8yy service error messages 238
900 service error messages 223
91y service error messages 224
938 service error messages 224
95y service error messages 224
96y service error messages 225
97y service error messages 226
980–984 service error messages 227
99y service error messages 227
network service check 265
usb service check 269
U
understanding the status of the power button and
indicator light 278
updating the printer
firmware
using a flash drive 301
using a network computer 301
user attendance messages
31 user attendance error messages 163
32 user attendance error messages 164
33 user attendance error messages 165
42 user attendance error messages 165
43 user attendance error messages 166
80 user attendance error messages 166
82 user attendance error messages 167
83 user attendance error messages 167
84 user attendance error messages 168
85 user attendance error messages 169
88 user attendance error messages 170
non‑supply user attendance error messages 170
using the control panel 277
using the home screen 278
V
vertical lines 65
7528
Index
562