Sharp Mx 2300n Service Manual

MX-2300/2700 N/G  TRANSFER SECTION  L – 9
4. Maintenance
✕: Check (Clean, replace, or adjust according to necessity.) {: Clean ▲: Replace U: Adjust ✩: Lubricate †: Shif the position.
No. Parts nameMonochrome 
supply, 
mechanical 
partsWhen 
calling100
K200
K300
K400
K500
K600
K700
K800
K900
K1000
K11 0 0
K1200
KRemark/Refer to the 
Parts Guide.
Block/Item No. (Only 
the replacement parts 
are described.)
1 Intermediate 
transfer beltMechanism 
parts✕ ▲▲▲▲▲▲▲▲▲ ▲ ▲ ▲(P/G No.: [26]-3)
2 Primary transfer...

MX-2300/2700 N/G  PROCESS CONTROL SENSOR, REGISTRATION SENSOR SECTION  M – 1 MX2700N
Service Manual [M] PROCESS CONTROL SENSOR, REGISTRATION SENSOR SECTION
1. Electrical and mechanism relation diagram
2. Operational descriptions
A. Process control sensor control
The shutter is provided on the monochrome (PCS_K) and color
(PCS_CL) process control sensor. When the shutter is opened (the
image density is corrected), the toner patch formed on the transfer
belt is scanned by the process control sensor and the...

MX-2300/2700 N/G  PROCESS CONTROL SENSOR, REGISTRATION SENSOR SECTION  M – 2
3. Disassembly and assembly
A. Process control sensor, registration sensor 
section
(1) Process control sensor unit
1) Remove the developing unit (K).
2) Remove the drum unit (K).
3) Remove the primary trasnfer unit.
4) Remove the paper feed tray 1.
5) Remove the rear cabinet.
6) Remove the ADU connection drive.
7) Remove the resist roller unit.
8) Disconnect the connector. Remove the screws. Release the
pawl, then remove the...

MX-2300/2700 N/G  PROCESS CONTROL SENSOR, REGISTRATION SENSOR SECTION  M – 3
4. Maintenance
✕: Check (Clean, replace, or adjust according to necessity.) {: Clean ▲: Replace U: Adjust ✩: Lubricate †: Shif the position.
No. Parts nameMonochrome 
supply, 
mechanical 
partsWhen 
calling100
K200
K300
K400
K500
K600
K700
K800
K900
K1000
K11 0 0
K1200
KRemark/Refer to the 
Parts Guide. Block/
Item No. (Only the 
replacement parts are 
described.)
18 Sensors 
(Process 
control resist 
sensors)Mechanism...

MX-2300/2700 N/G  FUSING SECTION  N – 1 MX2700N
Service Manual [N] FUSING SECTION
1. Electrical and mechanism relation diagram
Signal name Name Function/Operation
RTH1 Fusing temperature sensor (1) Detects the surface temperature of the fusing roller (heating). (Center section)
RTH2 Fusing temperature sensor (2) Detects the surface temperature of the fusing roller (heating). (Edge section)
HLTS1 Thermostat (1) Shuts conduction to the heater lamp when the temperature rises abnormally. [For the fusing...

MX-2300/2700 N/G  FUSING SECTION  N – 2
2. Operational descriptions
A. Fusing unit drive
To drive the fusing unit, the drive power is transmitted from the
drive motor (FUM) through the connection gear to the upper heat
roller gear.
The drive motor (stepping motor) is driven according to the control
signal sent from the PCU.
B. Heater lamp drive
The surface temperature of the heat roller detected by the ther-
mistor is sent to the PCU. When the temperature is lower than the
specified level, the heater...

MX-2300/2700 N/G  FUSING SECTION  N – 3
3. Disassembly and assembly
A. Fusing section
(1) Fusing unit
1) Open the right door unit.2) Release the lock lever, and remove the fusing unit.
a. Upper thermostat
1) Remove the fusing unit.
2) Remove the screws and the fusing upper cover.
3) Disconnect the connector, and remove the upper thermostat.
b. Upper thermistor
1) Remove the fusing unit.
2) Remove the screws and the fusing upper cover.
Unit Parts Maintenance
(1) Fusing unit a Upper thermostat
b Upper...

MX-2300/2700 N/G  FUSING SECTION  N – 4 3) Disconnect the connector, and remove the upper thermistor.
c. Non-contact thermistor
1) Remove the fusing upper cover.
2) Remove the screws, and remove the cover. Remove the con-
nector and the screws, then remove the non-contact ther-
mistor.
d. Lower thermostat
1) Remove the fusing unit.
2) Remove the fusing lower cover.
3) Disconnect the connector, and remove the lower thermostat.e. Lower thermistor
1) Remove the fusing unit.
2) Remove the fusing lower...

MX-2300/2700 N/G  FUSING SECTION  N – 5 5) Remove the lamp holder, and remove the lamp.
* Since the connector shape on the front side differ from that
on the rear side, be careful when installing.
Install so that the red harness is on the rear side. 
h. Lower heater lamp
1) Remove the fusing unit.
2) Remove the fusing upper cover F.
3) Remove the fusing upper cover R.
4) Disconnect the connector, and remove the lamp holder.
5) Remove the lower heater lamp.
* Since the connector shape on the front side...

MX-2300/2700 N/G  FUSING SECTION  N – 6 n. Upper separation pawl
1) Remove the fusing unit.
2) Remove the fusing rear upper PG.
3) Remove the spring, and remove the upper separation pawl.
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