Lexmark T420 User Reference page 158

130
Setup Menu 127
shield, removing 138
Short paper 117
sizes, print media
10 (Com-10) 22
7 3/4 (Monarch) 21
9 envelope 21
A4 21
A5 21
B5 envelope 22
C5 envelope 22
DL envelope 22
executive 21
folio 21
JIS B5 21
legal 21
letter 21
statement 21
universal 21
source, wrong 77
specifications
duplex unit 20
print media sizes 21
stack height indicators 40
standard output bin
raising paper rest 60
using 59
Standard output bin is full 109
status of supplies, determining 63
storing
print cartridge 68
print media 23
supplies
conserving 65
determining status 63
print cartridge 67
Prebate 67
regular 67
symbol set support 17
system board
accessing 137
reinstalling the shield 140
T
Test Pages, Print Quality 12
toner fog 84
Toner Low when the Toner Alarm
is set to Off 108
Toner Low when the Toner Alarm
is set to On 108
Too many flash options 122
transparencies
guidelines 89
loading 54
tray
linking 93
Tray 1 is missing when tray 2 is
installed 107
troubleshooting
network problems
incorrect characters printing
86
job not printing 86
option problems
does not operate after
installation 85
quits working 85
other problems
obtaining updated drivers
and utilities 87
printer escape codes 87
print quality problems 82, 84
jagged characters 83
print quality problems, solving
background shading 84
black partial page 84
blank pages 83
blurred characters 80
faint images 82
left and top margins 83
light characters 80
light printing, but Toner Low
light is not on 82
missing characters 84
poor image quality 83
print too dark 83
repetitive spots 82
solid black on transparencies
82
toner fog 84
Toner Low light on 82
toner rubs off page 81
toner smears on page 81
toner smudges 80
uneven edges 83
unexpected characters print
84
vertical or horizontal streaks
81
white streaks on paper 82
printer problems, solving 75
printing problems
flushing data while in
PostScript 3 79
printing problems, solving
Error light is on 78
incorrect characters 76
incorrect print media type 77
job not printing 76
job not printing and Error light
on solid 78
Load/Remove Paper light on,
optional tray is loaded 78
misfeeds 77
missing or damaged parts
77
158
multiple feeds 77
multiple sheets feed 78
operator panel lights do not
come on 77
optional 250-sheet tray,
paper feed failure 78
optional 500-sheet tray,
paper feed failure 78
optional label tray, paper
feed failure 78
Paper Jam light on, jam is
cleared 79
print media buckles 78
print media skews 78
print media skews or buckles
78
print media stacking is messy
77
print media sticks 78
printer flushing data and
Ready and Error lights
blinking 79
printer on, Error light on 78
printer on, nothing prints 77
standard tray, paper feed
failure 78
Toner Low light on and
printing stops 78
upper front door will not close
77
USB port 77
wrong source 77
U
uneven edges 83
Unformatted flash 120
unsupported print cartridge 105
Upper front door is open 105
USB cable
part number 76
USB Menu 128
user default setting 134
Utilities Menu 126
W
Waiting 111
Waiting with Toner Low 113