Sharp MX-2314N Service Manual page 312

Section/
Unit work Section name Unit name
sequence
10 Fusing Fusing unit
section
11 Other
* 1: Note for cleaning the image registration/density sensor.
When in maintenance or in case a service call, refer to "Criteria for necessary of cleaning" below to judge the necessity of cleaning the image
registration/density sensor. If it is judged that cleaning is necessary, then perform cleaning
Criteria for necessity of cleaning
• The SIM44-2 item D/E/F value is increased by aging or dirt of the image density sensor.
• When the image density is decreased, execute SIM44-2 and execute SIM46-74 Copy balance adjustment.
Greasing
Greasing is not always required for every maintenance. In the fol-
lowing cases, check and grease.
• When there are some noises.
• When a lot of jams occur frequently. (Check the jam history.)
For the part code of grease to be used, refer to "[15] TOOL LIST."
Cleaning of sensors and detectors in the paper feed/transport
system
Cleaning of sensors and detectors in the paper feed/transport sys-
tem is not always required for every maintenance. In the following
cases, check and clean.
• When a trouble or a jam occurs due to a sensor or a detector.
(Check the jam history.)
Torque limiter check and replacement
Torque limiter check and replacement is not always required for
every maintenance. In the following cases, check and replace.
• When there are some noises.
• When a lot of jams occur frequently. (Check the jam history.)
Parts work When
Part name
sequence calling
✕
17 Fusing roller
✕
18 Heating
roller
✕
19 Fusing belt
✕
20 Main
thermistor

21 Paper
guides
✕
22 Gears
✕
23 Pressure
spring
✕
24 Washer
1 Ozone filter –
2 Toner
cartridge BK
3 Toner
cartridge C
4 Toner
cartridge M
5 Toner
cartridge Y
6 Waste toner
box
MX-3114N MAINTENANCE 9 – 13
200 300 400 600 800 900
K K K K K K
   
– –
✕ ✕ ✕ ✕
– –
   
– –
✕ ✕ ✕ ✕
– –
   
– –
✕ ✕ ✕ ✕
– –
✕ ✕ ✕ ✕
– –
✕ ✕ ✕ ✕
– –
  
– – –
User replacement for every toner empty.
Replaced by the user when full is detected.
Alcohol for cleaning
Be sure to use ethanol for cleaning.
Cleaning of the primary transfer mode detector (CL/BK)
• When replacing the OPC drum, remove the primary transfer unit
and the developing unit, and clean them.
• Blow air to the light emitting section and light receiving section to
remove the attached toner.
• Blow air also when the sensor is wiped and cleaned with waste
cloth.
1000 1200
Remark
K K
 
Apply grease to the
shaft section when
replacing. (JEF552) /
Integrated with the
pressure roller as a
maintenance kit.
Replace at every 200K.
✕ ✕
Replace as needed.
 
Integrated with the fuser
belt guide collar as a
maintenance kit. / When
replacing, clean the
fusing belt surface with
alcohol.
Replace at every 200K.
✕ ✕
Replace as needed.
 
✕ ✕
Replace as needed.
✕ ✕
✕ ✕

–
Replacement reference:
50K