Sharp Mx 2300n Service Manual

							MX-2300/2700 N/G  DRIVE SECTION  P – 5 e. Paper feed clutch (Paper feed tray 2)
1) Remove the paper tray lift-up motor unit.
2) Remove the paper feed motor.
3) Remove the paper feed drive unit.
4) Remove the connection gear 21T. Remove the screws to
detach the drive frame upper unit.
5) Disconnect the connector, and remove the paper feed clutch
unit.
6) Remove the E-ring, and remove the paper feed clutch.f. Tray vertical transport clutch
1) Remove the paper tray lift-up motor unit.
2) Remove the paper feed motor.
3) Remove the paper feed drive unit.
4) Remove the connection gear 21T. Remove the screws to
detach the drive frame upper unit.
5) Remove the belt.
6) Remove the connector, then remove the tray vertical transfer
clutch unit.
7) Remove the E-ring, then remove the tray vertical transfer
clutch. 
						

							MX-2300/2700 N/G  DRIVE SECTION  P – 6
2. Maintenance
A. Drive Section
✕: 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 Gears (Gease) Mechanism 
parts✕ ✕✕✕✕✕✕✕✕✕ ✕ ✕ ✕When checking 
HANARL FL955R/
FLOIL G313S, apply 
to the necessary 
positions. (Specified 
positions)
2 Shaft Grounding 
Section 
(Conduction 
Grease)✕ ✕✕✕✕✕✕✕✕✕ ✕ ✕ ✕When checking, apply 
to the necessary 
positions. (Specified 
positions)
3Belts✕ ✕✕✕✕✕✕✕✕✕ ✕ ✕ ✕
2
1
3
1(FLOIL G313S)
(HANARL FL955R) 
						

							MX-2300/2700 N/G  PWB SECTION  Q – 1 MX2700N
Service Manual [Q] PWB SECTION
1. Disassembly and assembly
A. PWB
(1) Control Box
a. BOOT ROM PWB
b. PROGRAM ROM PWB
1) Remove the right rear cabinet.
2) Remove the screws and pull out the MFP cnt PWB unit.
* When placing the unit with the HDD upside, remove the
DIMM memory or insert a spacer in order to protect the
DIMM memory from pressure.   
* Insertion position and insertion procedure when removing
the DIMM memory.
Unit Parts
(1) Control Box a BOOT ROM PWB
b PROGRAM ROM PWB
c MFP cht PWB
d HDD
e PCU Flash ROM PWB
f PCU PWB
g SCAN IN PWB
hMother PWB
(2) Power supply unit a AC Power PWB
b DC Power PWB
(3) Others a SCN Flash ROM PWB
b Scanner Control PWB
cHL PWB
d Driver Sub PWB
e Secondary transfer PWB
f Driver Main PWB
g Primary transfer PWB
h High Voltage MC PWB
i HVR PWB
(1)-e
(1)-b
(2)-a
(3)-a
(3)-c
(3)-g
(1)-f
(1)-h
(1)-a
(3)-d
(3)-i
(1)-c
(1)-d
(3)-b
(3)-e
(3)-f
(2)-b
(3)-h
(1)-g
MX-2300/2700 G MX-2300/2700 N
DIMM1 Option (256MB) —
DIMM2 256MB 512MB
DIMM3 512MB 512MB
DIMM4 256MB 256MB
DIMM1
DIMM3
DIMM4 DIMM2 
						

							MX-2300/2700 N/G  PWB SECTION  Q – 2  Press the section (B) of the memory PWB with both
hands.
* When handling the memory PWB, do not touch the
pins. 
* Insert temporally and straightly until it is in contact with
the contact.
* When inserting, be careful not to insert the memory
PWB obliquely to the connector. Do not press the
memory PWB pins with one hand. 
 Press the section (B) of the memory PWB with both
hands simultaneously until the right and the left buttons
are locked. 3) Release the lock, and remove the BOOT ROM PWB (A) and
the PROGRAM ROM PWB (B).
c. MFP cnt PWB
1) Remove the right rear cabinet.
2) Remove the BOOT ROM PWB and the PROGRAM ROM
PWB.
3) Remove the screws and then remove the MFP cnt PWB.
d. HDD
1) Remove the right rear cabinet.
2) Remove the screws and pull out the MFP cnt PWB unit.
3) Remove the connector and screws then remove the HDD unit.
A
B12
2 
						

							MX-2300/2700 N/G  PWB SECTION  Q – 3 4) Remove the screws, and remove the angle from HDD.
* Since the HDD is weak in shock, avoid hitting the corner,
dropping, or other shocks. 
e. PCU Flash ROM PWB
1) Remove the screws, and remove the rear cabinet cover.
2) Remove the PCU Flash ROM PWB.f. PCU PWB
1) Remove the rear cabinet.
2) Remove the PCU Flash ROM PWB.
3) Remove the connector and the screws, then remove the PCU
PWB.
g. SCAN IN PWB
1) Remove the rear cabinet.
2) Remove the connector and the screws, then remove the
SCAN IN PWB.
h. Mother PWB
1) Remove the rear cabinet.
2) Remove the SCAN IN PWB.
3) Remove the connector and the screws, then remove the
mother PWB.
1
2
1
21
2 
						

							MX-2300/2700 N/G  PWB SECTION  Q – 4
(2) Power supply unit
a. AC Power PWB
1) Remove the rear cabinet.
2) Remove the screws and the connector, and remove the AC
power PWB.
b. DC Power PWB
1) Remove the rear cabinet.
2) Open the control box.
3) Remove the screws and the connector, and remove the filter
box unit.4) Remove the screws and the connector, then remove the AC
power PWB unit.
5) Remove the screws and the connector, then remove the DC
power PWB.
(3) Others
a. SCN Flash ROM PWB
1) Remove the upper cabinet rear cover.
2) Release the lock, and remove the SCN Flash ROM PWB.
1
2 
						

							MX-2300/2700 N/G  PWB SECTION  Q – 5 b. Scanner Control PWB
1) Remove the upper cabinet rear cover.
2) Remove the screws, and pull out the scanner control PWB
unit. Then remove the connector.
3) Remove the screws, and remove the scanner control PWB.
c. HL PWB
1) Remove the upper cabinet rear cover.
2) Remove the screws and the connector, and remove the HL
PWB.d. Driver Sub PWB
1) Remove the upper cabinet rear cover.
2) Remove the screws, and remove the driver sub PWB.
e. Secondary transfer PWB
1) Remove the upper cabinet rear cover.
2) Remove the screws and the connector, and remove the sec-
ondary transfer PWB.
f. Driver Main PWB
1) Remove the rear cabinet.
2) Remove the screws and the connector, and remove the driver
main PWB. 
						

							MX-2300/2700 N/G  PWB SECTION  Q – 6 g. Primary transfer PWB
1) Remove the rear cabinet.
2) Open the control box.
3) Remove the screws and the connector, and remove the pri-
mary transfer PWB.
h. MC PWB
1) Remove the rear cabinet.
2) Open the control box.
3) Remove the screws, then remove the fly wheel.
* Installing sequence: (1) C → (2) KM → (3) KM (Each color is
marked.)
* After installation, check to confirm that it is not in contact
with the harness, etc.4) Remove the screws and the connector, then remove the pri-
mary transfer PWB unit.
5) Remove the screws and the connector, then remove the MC
PWB.
i. HVR PWB
1) Remove the rear cabinet.
2) Open the control box.
3) Remove the connector and the screws, and remove the HVR
PWB.
C
KM
KM 
						

							MX-2300/2700 N/G  FAN AND FILTER SECTION  R – 1 MX2700N
Service Manual [R] FAN AND FILTER SECTION
1. Disassembly and assembly
A. Filters
(1) Ozone Filter
1) Remove the ozone filter cover, then remove the ozone filter.
B. Fans
(1) CPU cooling fan motor
1) Remove the rear cabinet. (Refer to Rear Cabinet in External
Outfit Section.)
2) Remove the connector. Remove the screws, and remove the
MFP PWB shield upper. Remove the screws, and remove the
CPU cooling fan motor.
* When installing, fit the arrow mark on the MFP PWB shield
and the arrow mark of the CPU cooling fan motor. 
Parts Maintenance
(1) Ozone Filter✕ ▲
(1)
Parts Maintenance
(1) Controler cooling fan motor
(2) HDD cooling fan motor
(3) Ozone fan motor
(4) Power supply cooling fan motor
(2)(1)
(3)
(4)
1
2
3 
						

							MX-2300/2700 N/G  FAN AND FILTER SECTION  R – 2
(2) HDD cooling fan motor
1) Remove the rear cabinet. (Refer to Rear Cabinet in External
Outfit Section.)
2) Open the control box.
3) Remove the connector and the screws, then remove the HDD
cooling fan motor.
(3) Ozone fan motor
1) Remove the rear cabinet. (Refer to Rear Cabinet in External
Outfit Section.)
2) Open the control box.
3) Remove the filter box unit.4) Remove the connector and the screws, and remove the ozone
fan motor from the filter box unit.
(4) Power supply cooling fan
1) Remove the rear cabinet. (Refer to Rear Cabinet in External
Outfit Section.)
2) Open the control box.
3) Remove the filter box unit.
4) Remove the connector and the screws, and remove the power
supply cooling fan.