I-2 Service Manual
4506-1xx
H
Hex Trace—E120n 3-8
History—E120n 3-6
L
labels 1-4
left cover removal 4-5
letterhead 1-4
light patterns, E120
additional information—primary codes
2-11
description 2-3
light patterns, E120n—service codes 2-17
locations
front views
1-2, 5-1
rear views 1-2, 5-1
LVPS/HVPS
connections
5-4
parts catalog 7-5
removal 4-19
service check 2-28
M
Macintosh 2-38, 2-40
main motor
connections
5-3
service check 2-28
symptom tables 2-22
main tray removal 4-5
maintenance approach 1-1
Mark History—E120n 3-6
menus
E120
diagnostics mode
3-3
printing 3-1
E120n
configuration mode
3-8
diagnostics mode 3-5
printing 3-3
messages, E120n—service error codes 2-17
models 1-1
diagrams 1-2, 5-1
O
operator panel
E120
diagram
2-2
overview 2-2
primary, secondary, tertiary 2-4
E120n
diagram
2-9
overview 2-9
primary light patterns 2-11
secondary light patterns 2-14
model differences 1-1
parts catalog 7-5
Operator Panel Service Check 2-24, 2-25
P
paper 1-3
paper jams
E120n
2-14
paper feed service check 2-29
tips on preventing 1-5
paper recommendations 1-3
parts catalog
covers
7-2
electronics 7-4
frame 7-6
power-on self test (POST)
E120
2-2
E120n 2-8
symptoms 2-22
preprinted forms 1-4
print history, E120n 3-5
print media 1-3
print quality pages
E120n
3-5, 3-8
using 2-31
Print Quality Pages—E120 3-3
print quality problems, solving 2-36
printer symptom table 2-23
printhead
adjustment
4-2
error code—E120n 2-18
error codes—E120 2-7
parts catalog 7-5
removal 4-12
service check 2-40
R
Reinit NVRAM—E120n 3-6
removals
controller card
4-17
extender cover 4-4
front door assembly 4-8
fuser 4-20
left cover 4-5
LVPS/HVPS 4-19
main tray 4-5
operator panel (all models) 4-18
paper pick assembly 4-14, 4-15
printhead 4-12
rear door assembly 4-13
right cover 4-7
top cover assembly 4-9
transfer card and input sensor assembly 4-14
transfer roll assembly 4-12
tray cover 4-4
Reset Factory Defaults—E120n 3-8
reset maintenance page counter—E120n 3-8
Reset PC Counter—E120n 3-8
right cover removal 4-7