Samsung ML-451 Series Service Manual page 134

4. Alignment and Troubleshooting
Code
T4 Stack Height
102-0260
Sensor
102-0470 Tray5 Home Position
T5 Paper Empty
102-0480
Sensor
102-0490 T5 Size1 sensor
102-0500 T5 Size2 sensor
102-0510 T5 Size3 sensor
T5 Stack Height
102-0520
Sensor
Bypass Paper Empty
102-0280
Sensor
102-0290 Feed Sensor
T2 Feed Sensor (or
102-0300
Door Open)
T3 Feed Sensor (or
102-0320
Door Open)
T4 Feed Sensor (or
102-0340
Door Open)
T5 Feed Sensor (or
102-0341
Door Open)
102-0360 Regi. Sensor
102-0370 Exit Sensor
102-0380 Duplex Jam1 Sensor
Stapler Detection
102-0400
Sensor
102-0410 Stapler Enable
102-0440 Rear Cover Sensor
105-0030 Black MHV Bias
Black MHV Bias
105-0070
Read
105-0130 Zener_OPC
106-0030 Black Dev Bias
106-0031 Black Dev AC Bias
107-0030 Black THV Bias
4-33
Display
Detects if paper in tray4 is elevated to the
sensor.
Detect when tray4 is closed.
Detect when paper is in tray4.
Detects whether auto size1 sensor of tray4
is high or low.
Detects whether auto size2 sensor of tray4
is high or low.
Detects whether auto size3 sensor of tray4
is high or low.
Detects if paper in tray4 is elevated to the
sensor.
Detects when paper is in Bypass Tray(MP
Tray).
Detect when a paper is at Feed sensor.
Detect when a paper is at T2 Feed sensor.
(optional)
Detect when a paper is at T3 Feed sensor.
(optional)
Detect when a paper is at T4 Feed sensor.
(optional)
Detect when a paper is at T5 Feed sensor.
(optional)
Detect when a paper is at Regi. sensor.
Detect when a paper is at Exit. sensor.
Detect when a paper is at Duplex Jam1
sensor.
Detect if Stapler is installed.
Enable/Disable Stapler.
Detect status of Rear cover.
Black MHV bias voltage on at normal drive
level
Black Detect what the MHV value is on the
MHV Roller
Black MHV AC bias voltage on at normal
drive level
Black Dev bias voltage on at normal drive
level
Black Dev bias AC voltage on at normal
drive level
Black THV bias voltage on at normal drive
level
Meaning
Copyright© 1995-2016 SAMSUNG. All rights reserved.
State Related
Displayed Components
High[Low] Engine
Closed[Opened] Engine
High[Low] Engine
High[Low] Engine
High[Low] Engine
High[Low] Engine
High[Low] Engine
High[Low] Engine
High[Low] Engine
High[Low] Engine
High[Low] Engine
High[Low] Engine
High[Low] Engine
High[Low] Engine
High[Low] Engine
High[Low] Engine
High[Low] Engine[Finisher]
On[Off] Engine[Finisher]
Closed[Opened] Engine
On[Off] Engine
Numeric 3
Engine
digits
On[Off] Engine
On[Off] Engine
On[Off] Engine
On[Off] Engine