Read Sharp AR-M700 (serv.man21) Service Manual online
: Feb. 6 2004
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AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 110
[Cleaning]
• Clean and remove paper dust and toner remained in the concave of
the scraper holder.
a-12. Paper guide
1) Remove the fusing unit. (See “a. Fusing unit” in this section)
2) Release the pressure. (See “a-4. Heater lamp 1” in this section)
4) Clean the paper guide.
NOTE:
• When replacing the scraper, replace the whole scraper unit. In addi-
tion, when replacing the scraper, the pressure roller must be also
replaced.
replaced.
• Do not remove paper dust from the edge of the scraper. If paper dust
is forcibly removed, uneven contact occurs between the pressure
roller and the scraper, resulting in insufficient cleaning.
roller and the scraper, resulting in insufficient cleaning.
a-10. Oil roller (AR-M700N/U)
a-11. CL roller bearing (AR-M700N/U)
1) Remove the fusing unit. (See “a. Fusing unit” in this section)
2) Open the fusing unit. (See “a-3. Heat roller” in this section)
3) Remove the pressure roller unit. (See “a-8. Pressure roller” in this
section)
4) Remove the oil roller unit.
5) Remove the CL roller bearings from the oil roller.
NOTE: When installing the oil roller, set to that "R" mark and "
↑
" mark
are on the rear side of the unit.
NOTE: When handling the oil roller, be careful not to deform or dam-
age the rubber section. When cleaning the oil roller, do not rub
forcibly in order not to break the surface tube or the internal
rubber.
forcibly in order not to break the surface tube or the internal
rubber.
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3) Remove the screw to open the fusing unit.
a-13. Cleaning plate (AR-M700N/U)
1) Remove the fusing unit. (See “a. Fusing unit” in this section)
2) Open the fusing unit. (See “a-3. Heat roller” in this section)
3) Remove the pressure roller unit. (See “a-8. Pressure roller” in this
section)
4) Remove the paper guide.
NOTE:
• Tighten the screws in the sequence shown above.
• Do not allow clearance at the center of the paper guide.
• If copy dirt is heavy, replace it.
• Clean and remove paper dust from the cleaning roller plate and its
surrounding.
• Do not remove toner and paper dust from the mesh section of the
cleaning plate. If they are removed forcibly, the cleaning plate may
be deformed, resulting in insufficient cleaning.
be deformed, resulting in insufficient cleaning.
5) Remove the cleaning roller plate.
[Note for installation]
• Be careful not to deform the cleaning plate. If the cleaning plate
would be deformed, insufficient cleaning would be resulted.
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