Lexmark E250DN - Govt Laser 30PPM Special Build Mono Taa - Paper Jams and Feed Troubleshooting; Printhead and Removals; Safety Information and Specifications; Sensor Checks and Start Procedures

I-2 Lexmark™ E250d and E250dn
4512-220, -230
models
comparison 1-1
diagrams 5-1
operator panels 1-2
service menus 3-1
trays available 1-4
N
NPA Mode 3-5
O
operator panel
LED–
overview
1-2
service check 2-43
P
paper exit guide, removal 4-37
paper jams
tips on preventing 1-7
parallel port service check 2-45
parts catalog
covers 7-2
electronics 7-4
frame 7-6
options 7-8
power-on self test (POST) 2-2
symptoms 2-37
print history 3-8
print media
preventing jams 1-7
trays by model 1-4
types and sizes 1-6
print quality pages 3-4
using 2-46
print quality problems
print media 1-7
service check 2-46
solving 2-50
printer symptom table 2-38
printhead
removal
4-40
service check 2-53
Protocol 3-5
R
removals
controller card
4-13
cover open sensor 4-15
covers
front access cover
4-2
left side cover 4-4
right side cover 4-5
top cover 4-7
developer drive coupling assembly 4-16
fan 4-21
fuser 4-22
fuser power cable 4-24
LVPS/HVPS card assembly 4-26
paper exit guide assembly 4-37
paper feed rollers 4-38
printhead 4-40
procedures 4-1
toner level sensor– 4-41
transfer roll 4-42
Reset Factory Defaults 3-4
reset maintenance page counter 3-4
Reset PC Counter 3-4
S
safety information xi
safety inspection guide 6-1
sensors
cover open 4-15
service checks 2-39
controller card 2-39
cooling fan 2-40
cover interlock switch 2-40
dead machine 2-41
fuser 2-41
LVPS/HVPS 2-42
main motor 2-42
operator panel 2-43
paper feed 2-43
paper jam during POST 2-43
paper never picks 2-44
paper picks but stops 2-44
paper picks during POST 2-43
paper picks sheets 2-44
paper trees, curls 2-45
parallel port 2-45
print quality 2-46
black page 2-47
blank page 2-46
heavy background 2-47
image density 2-48
light print 2-49
partial blank image 2-48
poor fusing of image 2-48
toner on back of page 2-49
white or black lines 2-49
printhead 2-53
transfer roll 2-53
service error codes
accessing
2-23
tertiary light patterns 2-25
service menus 3-1
special tools 1-8
specifications
connectivity
1-5
input trays 1-4
memory 1-3
operating systems 1-5
photoconductor capacity 1-4
print media 1-6
print speed 1-3
toner capacity 1-4