4-6 Phaser 7750 Printer Service Manual
Jam Sensors LH Low Cover Area is L
LH Cover Area is L
LH Fuser Area is L
Duplex Cover Area is L
Tray Left Cover Area is L
Tray #3 Area is L
Tray #4 Area is L
Tray #5 Area is L
(F) Fin Compiler Cover Area L
(G) Fin Compiler Safety Area L
(H,J) Fin Front Cover Area is L
Fin Hor Tran Area is L
Fin Docking Area is L
H = Paper present
L = Paper not present
This is the FIN IN GATE.
This is the FIN HOR.TRANS.
This is the FIN EJECT.
POB Sensor POB Sensor is H Paper on Belt Sensor
L = Paper present
H = Paper not present
Registration Sensor Registration Sensor is H L = Paper present
H = Paper not present
OHP Sensor Left OHP is L
Right OHP is L
L = Paper or OHP present
H = Paper or OHP not present
Duplex Sensor Duplex is L H = Paper present
L = Paper not present
Tray Feed Sensors Feed Out #1 is L
Take Away (F/O #2) is L
Feed Out #3 is L
Feed Out #4 is L
Feed Out #5 is L
H = Paper present
L = Paper not present
Stack Full Sensor Stack Full is H H =Output Stack not full
L = Output Stack full
Fuser Exit Sensor Fuser Exit is L H = Paper present
L = Paper not present
1st BTR Retract
Sensor
1st BTR Retract is L H = In contact
L = Retracted
2nd BTR Retract
Sensor
2nd BTR Retract is H H = In contact
L = Retracted
Fuser Present Fuser is Present
Change soon | Change
Need to cycle power to get the
results to change when installing a
new fuser.
Read Fuser Fuses Fuse 1 is Shorted
Fuse 2 is Shorted
Fuse 3 is Shorted
(New Fuser)
100 page fuse
50% Life
99% Life
Open indicates Fuse is blown.
Accum MOB Sensor MOB sensor is L H = belt home mark is sensed
L = belt home mark not sensed
Belt Edge Sensor Edge is nnn (current value) OK or Failed
Test Front Panel Display Test Operation Definition
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