symptoms
printer 99
T
theory of operation
ACM 247
duplex printing 247
electrophotographic process 251
input tray 245
main drive gearbox 247
mpf 245
other key components 249
POR sequence 245
printer control 245
sensors 248
simplex printing 246
tips
card stock 24
on using envelopes 24
on using labels 25
transparencies 25
tips on using envelopes 24
Too many trays. Remove some. [58] 36
tools, required 28
transparencies
tips 25
troubleshooting
initial check 31
troubleshooting, print quality
blank pages 39
gray background on prints 38
repeating defects 40
shadow images appear on prints 41
skewed print 42
solid black pages 40
streaked vertical lines appear on prints 43
toner rubs off 44
toner specks appear on prints 45
troubleshooting, service checks
network service check 104
U
unacceptable paper 22
V
vertical mount contact connector 136
Z
zero insertion force (ZIF) connectors 129
4514-420, -430
Index
261
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