Sharp AL-840 (serv.man8) Service Manual ▷ View online
S007/Ua001
Fusing unit
S007/Ua001/P001
Pressure roller
S007/Ua001/P002
Paper guide sheet
S007/Ua001/P003
Paper exit roller U
(1)
Remove the rear cabinet S001/P001 .
(2)
Remove the front upper cabinet S001/P002 .
(3)
Remove the right cabinet S001/P003 .
(4)
Remove the left cabinet S001/P004 .
(5)
Remove the document table glass S001/P007 .
(6)
Remove the fan motor unit S010/P001 .
(7)
Remove the operation unit
S002/P001, S002/P002, S002/P003 .
(8)
Remove the scanner unit S004/Ua001 .
(9)
Remove the MCu (PCU) PWB unit S009/Ua002 .
(10) Remove the toner cartridge and the photoconductor cartridge
S006/P001, S006/P002 .
(11) Remove the connector screw, and remove the fusing unit (S007/
Ua001).
#1. Slide to the left and lift and remove.
S007/Ua001/P002/CLN
S007/Ua001/P001/CLN
S007/Ua001/P003/CLN
S007/Ua001
#1
9 – 25
*
Troubles caused by improper work
1) Fusing abnormality
2) Paper jam
(12) Remove the pressure roller (S007/Ua001/P001).
*
Cleaning
Use the absolute alcohol to clean the pressure roller.
*
Troubles caused by improper work
1) Print dirt
2) Paper jam
3) Fusing abnormality
(13) Remove the paper guise sheet (S007/Ua001/P002).
*
Cleaning
Use the absolute alcohol to clean the paper guide sheet.
*
Troubles caused by improper work
1) Paper jam
(14) Remove the paper exit roller L (S007/Ua001/P003).
*
Cleaning
Use absolute alcohol to clean the paper exit roller L.
*
Troubles caused by improper work
1) Paper jam
*
Note
S007/Ua001/P004
Paper exit roller U
S007/Ua001/P005
Paper exit detector
S007/Ua001/P006
Fusing temperature sensor
S007/Ua001/P007
Heat roller
S007/Ua001/P008
Heater lamp
S007/Ua001/P009
Separation pawl
S007/Ua001/P010
Temperature fuse A
S007/Ua001/P011
Temperature fuse B
(1)
Remove the spring, and remove the paper exit roller U (S007/
Ua001/P004).
Ua001/P004).
*
Cleaning
Use absolute alcohol to clean the paper exit roller U.
S007/Ua001/P001/CLN
S007/Ua001/P002/CLN
S007/Ua001/P003/CLN
S007/Ua001/P004/CLN
9 – 26
*
Troubles caused by improper work
1) paper jam
(2)
Remove the paper exit detector (S007/Ua001/P005).
#1. Fit the boss direction and remove.
*
Troubles caused by improper work
1) Paper jam
(3)
Remove the screw, and remove the fusing temperature sensor
(S007/Ua001/P006).
(S007/Ua001/P006).
*
Note for assembly
Be careful not to mistake the installing direction of the fusing
temperature sensor.
temperature sensor.
*
Cleaning
Use absolute alcohol to clean the contact surface of the heat
roller.
roller.
*
Troubles caused by improper work
1) Fusing abnormality
2) Fusing temperature error (H2-00, H3-00, H4-00)
(4)
Remove the screw, and remove the heat roller (S007/Ua001/
P007) and the heater lamp (S007/Ua001/P008).
P007) and the heater lamp (S007/Ua001/P008).
*
Note for assembly
Insert a piece of paper between the separation pawl and the heat
roller to keep the separation pawl open in order to protect the heat
roller from damage.
roller to keep the separation pawl open in order to protect the heat
roller from damage.
*
Cleaning
Use absolute alcohol to clean the separation pawl.
(5)
Remove the separation pawl (S007/Ua001/P009).
(6)
Remove the screw, and remove the temperature fuse A (S007/
Ua001/P010) and the temperature fuse B (S007/Ua001/ P011).
Ua001/P010) and the temperature fuse B (S007/Ua001/ P011).
*
Cleaning
Use absolute alcohol to clean the contact section of the tempera-
ture fuse A which is in contact with the heat roller.
ture fuse A which is in contact with the heat roller.
Use absolute alcohol to clean the separation pawl.
*
Troubles caused by improper work
1) paper jam
S007/Ua001/P005
#1
S007/Ua001/P006/CLN
S007/Ua001/P008
S007/Ua001/P007/CLN
S007/Ua001/P011
S007/Ua001/P010/CLN
S007/Ua001/P007/CLN
9 – 27
S008
Drive section
Section
Unit
Part
JOB
CODE
After-work
NOTE
S No.
Part name
Ua No.
Unit name
Ub No.
Unit name
P No.
Part name
JOB No.
S 008
Drive
P 001
Gears
ASS
GRE
P 002
Main motor
ASS
S008/P002
S008/P001/
GRE
GRE
S008/P001/
S008/P001/GRE
GRE
S008/P001/
GRE
GRE
S008/P002
S008/P001/
GRE
GRE
S008/P001/
GRE
GRE
9 – 28
Click on the first or last page to see other AL-840 (serv.man8) service manuals if exist.