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12. SERVICE MODE
Field Service Ver. 2.0 Jul. 2009
562
ADJUSTMENT
/ SETTING
(2) Sensor monitor 2 (Main body, LCT)
Symbol
Panel display
Part/signal name
Operation characteris-
tics/panel display
1
0
Photo conductor
PS43
Charging CL home
sensor (this side)
Charging cleaner home sensor
Blocked
Unblocked
PS44
Charging CL home
sensor (interior)
Charging cleaner return sensor
Blocked
Unblocked
PS45
Black and white
PC encoder 1
K PC encoder sensor/1
Blocked
Unblocked
PS46
Black and white
PC encoder 2
K PC encoder sensor/2
Blocked
Unblocked
LCT
LCT detection
LCT identification signal
Connection
No
connection
PS1
Tray set sensor
LU-204: Tray set sensor/1
LU-301: Tray set sensor
In position
Out of posi-
tion
PS2
Upper limit sensor Upper limit sensor
At raised
position
(Blocked)
Not at
raised
position
(Unblocked)
PS3
Paper feed
Paper feed sensor
Paper
present
Paper not
present
PS4
paper empty
Paper empty sensor
Paper not
present
Paper
present
PS5
Near empty 1
Near empty sensor /1
Blocked
Unblocked
PS6
Near empty 2
Near empty sensor /2
Blocked
Unblocked
MS1
Upper Door
LU door switch
Close
Open
Duplex
PS47
Paper passage1
ADU paper passage sensor/1
Paper
present
Paper not
present
PS48
Paper passage 2
ADU paper passage sensor/2
Paper
present
Paper not
present
Secondary transfer
PS50
Pressure welding
alienation
Pressure welding alienation sensor
Not
Retracted
Retracted
Transfer belt
PS51
Retraction (black)
Pressure welding alienation sensor/K
Not
Retracted
Retracted
PS52
Retraction (color)
Pressure welding alienation sensor/color
Not
Retracted
Retracted
Waste toner
PS53
Waste Toner Box
Set
Waste toner box set sensor
Blocked
Unblocked
Waste Toner Full 1 • Not used.
PS54
Waste Toner Full 2 Waste toner full sensor/1
Blocked
Unblocked
Fusing
Service Manual Y110571-1
Summary of Contents for d-color MF651
Page 1: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Page 24: ...MEASURES TO TAKE IN CASE OF AN ACCIDENT S 22 Blank Page...
Page 27: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Page 1053: ...UPDATING STATUS DATE UPDATED PAGES PAGES CODE 10 2009 1ST EDITION 1053053 Y110571 1...