Xerox Phaser 8400 Service Manual page 122

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The jam occurred when generating a duplex print (6).
Jam Code Key Table
Process Event
8400
A Deskew Flag
B Preheat Flag
C Strip Flag
D Exit Flag
E Tray 1 Width
Sensor
F Front Door
Event
G Tray 2 Media
Sensor
H Tray 3 Media
Sensor
J Tray 4 Media
Sensor
K Tray 4 Media
Sensor
M Paper Path
Motor
N Y-Axis Motor
P Process Motor
T Exit Door Event
V Tray 2 Event
W Tray 3 Event
X Tray 3 Pick Flag
Y Tray 4 Event
Z Tray 4 Pick Flag
3-56
Process Event
8500/8550
A Deskew Flag
B Preheat Flag
C Strip Flag
D Exit Flag
E Tray 1 Media
Present
F Front Door
Event
G Exit Door
H Tray 2 Media
Sensor
J Tray 3 Media
Sensor
M Paper Path
Motor
N Y-Axis Motor
P Process Motor
Q DMU Missing
T Exit Door Event
U Pipeline
Resource
V Tray 2 Event
W Tray 3 Event
X Tray 3 Pick Flag
Y Tray 4 Event
Z Tray 4 Pick Flag
Basis for Printer
Jam State
2 Sensor A Printer 1st
Event Init -
3 Timeout Abnormal
4 Motor Stall Shutdown
5 Motor B Printer 1st
Position Init - Normal
6 Length Short Shutdown
7 Length Long C Mechanical
Recovery
D Warmup
E Ready
F Fault
G Auto Drum
Maintenance
H Printhead
Maintenance
J Printhead
Purge
K Oil Transfix
Roller
L Standby
Print
Process
Substates
M Pick from
Tray 2
N Pick from
Tray 3
P Pick from
Tray 4
Q Pick from
Tray 1
R Pick from
Duplex
S Stage for
Transfix
T Transfix
V Print Drum
Maintenance
W Imaging
X Exit
Z Shutdown
Phaser 8400/8500/8550 Color Printer
(8500/8550
only)
1 - Tray 1
2 - Tray 2
3 - Tray 3
4 - Tray 4
5 - Chase
page
6 - Duplex