Table of Contents
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No.
Function
00
Motor
01
MHV
02
THV(-)
03
THV(+)
04
DEV
05
LSU
06
PickUp
07
PEmpty
08
Sensor
09
Cover
Fus e r
10
11
Hot Burn
12
Clean Print
Thv
13
Reference
14
PTL
15
FAN
Manual
16
Pic kUp
Manual
17
Sensor
4.1.6.4 Self Test Button
If the Self-Test button pressed, vertical lines are printed.
Turn the power on while pressing this button, '89' shows in the DCU and the printer is warming up. After warming-
up the printer is in READY Mode, and '88' shows in the DCU. In this mode, without any detection, the printer begins
printing(trial printing and data from the PC). It is convenient to use this mode when the engine malfunction is
detected in the control board.
Samsung Electronics
Enter
Motor Run
Mhv On
Thv Negative On
Thv On
Supply
Dev On
0 : -550V
LSU Run
On
Pickup On
Paper Empty
Cover Open
Fuser On
Hot Burn On
Clean Printing
low
PTL On
Fan On
Manual Pickup On
Manual Sensor
Up/Down
Motor Stop
Thv Negative Off
DEV
0 : -350V
Off
Ready
Exit
Feed
adequate
high
Manual Pickup Off
Adjustment and Troubleshooting
Stop
Remark
Mhv Off
-
1300V
-1000V
Thv Off
+1300V
-350V
Dev Off
LSU Stop
020mV
Pickup Off
Fuser Off
PTL Off
PTL No
Fan Off
Service Manual
4-15
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Table of Contents
Troubleshooting
