Sharp MX-FN11 (serv.man19) Service Manual / Technical Bulletin ▷ View online
Sharp Electronics (UK) Ltd., Document Systems Support
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Date:
24
th
February 2014
Model:
See below
Ref.:
ARE1122
Colour:
White
Page:
1 of 2
TECHNICAL BULLETIN
COUNTERMEASURE FOR TONER
CONTAMINATION ON CENTRE OF BACK
SIDE OF PAPER
CONTAMINATION ON CENTRE OF BACK
SIDE OF PAPER
1. Model Name:
MX-FN10/FN11/FN18 (Option for MX-M365N/M465N/M565N/M364N/M464N/M564N)
2. Symptom:
When using the finisher (MX-FN10/FN11/FN18) for
MX-M365N/M465N/M565N/M364N/M464N/M564N, the contamination by toner is
generated on the centre of the backside of the paper in very rare cases depending on the
print chart, density, paper type, print timing etc…
3. Field Action:
If the symptom above is caused, please perform the remedy below:
(1)For the control of the fusing temperature, the adjustment control at the time of
warm-up has been added.
(When the temperature of fusing roller is 60-degree or lower, perform the adjustment
control from +5 degree s to +10 degrees for the default temperature adjustment control,
depending on the temperature/humidity environment.)
- Execute Soft SW
Sim55-1 SW18-2
Adjustment
0
Not adjust
1
Adjust
(2)If the remedy above does not work enough, the spring which enables to reduce the
pressing force of delivery roller has been set up as the service parts for the field
support. Please replace/add the parts accordingly.
(For the installation procedure, see the attached file.)
If MX-FN10/FN11/FN1 is used for the models other than
MX-M365N/M465N/M565N/M364N/M464N/M564N, please do not take this measure.
(The side effect like a problem of consistency could be caused.)
Sharp Electronics (UK) Ltd., Document Systems Support
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- Use 2pcs (0CW4S523880//) for MX-FN10
- Use 2pcs (0CW4S523910//) for MX-FN11/FN18
1. Open the upper cover.
2. Remove the upper cover stay
Open the upper guide more than 90-degree
Unfasten the screws (x 2) and remove the upper cover stay.
while pushing it forward.
Springs that should be replaced.
3. Replace the springs.
Springs for countermeasure (x 2)
(3-1) Remove the current springs.
(3-2) Mount the springs for countermeasure.
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FN10 Spring Replacement Procedure
Lower hook
Upper hook
Section where to hook.
(The plate springs of the rear side are fastened
together. When removing the upper cover stay
please be careful not to drop the plate springs.)
together. When removing the upper cover stay
please be careful not to drop the plate springs.)
Unhook the lower hook of the spring that is mounted.
Then pull the upper hook from the shaft and take it off.
Dispose of the removed springs.
Then pull the upper hook from the shaft and take it off.
Dispose of the removed springs.
Hook the lower hook.
4. Mount the upper cover stay.
Rear side: Plate spring + screw
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Mount the upper cover.
Front side: Screw (x1)
Close the upper cover.
Be sure not to forget to set the shaft
of actuator.
of actuator.
Replaced springs.
Hook the springs to the outer side than the springs at the opposite side that
are hooked on the same shaft.
are hooked on the same shaft.
Hook the upper hook to the shaft.
Display