Read Sharp MX-DE21 Service Manual online
SERVICE MANUAL
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with
specified ones for maintaining the safety and performance of the set.
SHARP CORPORATION
[1] SPECIFICATIONS
[2] EXTERNAL VIEW AND INTERNAL STRUCTURE
1. Sensor, detector, switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
2. Motor, clutch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2
3. PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
4. Roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4
[3] MAINTENANCE
1. Maintenance list. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
2. Each unit disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3
3. Part disassembly in each unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5
[4] OPERATIONAL DESCRIPTIONS
1. Electrical and mechanical relation diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
2. Paper Empty Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
3. Paper level detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
[5] ELECTRICAL SECTION
1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
2. Actual wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
CODE: 00ZMXDE21/S1E
CONTENTS
DIGITAL FULL COLOR
MULTIFUNCTIONAL SYSTEM OPTION
STAND/2000 SHEET PAPER DRAWER
MULTIFUNCTIONAL SYSTEM OPTION
STAND/2000 SHEET PAPER DRAWER
MX-DE21
MODEL
MX-DE21 SPECIFICATIONS 1 – 1
MX-DE21
Service Manual
[1] SPECIFICATIONS
Feedable paper
Detection size
*1 : Size can be set by system setting.
Tray
Tandem Left
Tandem Right
Transportation standard
Center standard
Heater Kit
Available as service part
Paper Capacity (Plain paper : 80g/m
2
)
1150 sheet
850 sheet
Paper Size/Type/Weight
Refer to the table of feedable paper
Paper Size Detection
Refer to the table of detection sizes
Paper Type Setting
Yes (Refer to the table of feedable paper)
Change of Paper Size
Set by service person
Changed by user
Default Paper Size
Setting
Setting
Inch System
8.5 x 11
8.5 x 11
AB System
A4
A4
Rest of Paper Detection
3-leve l& none
(100%, 33%, 6%, none)
(100%, 33%, 6%, none)
3-level & none
(100%, 50%, 9%, none)
(100%, 50%, 9%, none)
Power Source
Supplied by main unit
Power consumption
Less than 24W
Dimension (W x D x H)
615 x 670 x 272 mm
24-39/64 x 26-52/64 x 10-22/32 inch
Weight
26kg,57,4lbs
Detection as Option
MFP automatically detects the option when installed
Tandem Left
Tandem Right
Min. Paper Weight
60g/m
2
60g/m
2
Max. Paper Weight
105g/m
2
105g/m
2
Paper
Type
Plain Paper 60-105g/m
2
16-28lb bond
Yes
Yes
Recycled Paper
Yes
Yes
Color Paper
Yes
Yes
Letter Head
Yes
Yes
Pre Printed
Yes
Yes
Heavy Paper 106-220g/m
2
, 28lb bond-110lb Index
-
-
Pre Punched
Yes
Yes
Paper
Size
Ledger(11x17)
-
-
Legal(8.5x14)
-
-
Asian Legal(8.5x13.5)
-
-
Mexican Legal(8.5x13.4)
-
-
Foolscap(8.5x13)
-
-
Letter(8.5x11)
Yes
Yes
Letter-R(8.5x11R)
-
-
Exective-R(7.25x10.5R)
-
-
Inv(5.5x8.5)
-
-
Invoice-R
-
-
A3
-
-
B4
-
-
A4
Yes
Yes
A4R
-
-
B5
-
-
B5R
-
-
A5R
-
-
8K
-
-
16K
-
-
16KR
-
-
12x
18
11x
17
8.5
x14
8.5
x
13.5
(216
(216
x
343)
8.5 x
13.4
(216
(216
x
340)
8.5 x
13
(216
x
330)
8.5
x
11
8.5
x
11
R
7.25
x
10.5
R
5.5
x
8.5
5.5
x
8.5
R
A3
W
A3
B4
A4
A4
R
B5
B5
R
A5
R
Tandem
Left(Tray3)
-
-
-
-
-
-
No
*1
-
-
-
-
-
-
-
No
*1
-
-
-
-
Right(Tray4)
-
-
-
-
-
-
No
*1
-
-
-
-
-
-
-
No
*1
-
-
-
-
MX-DE21 EXTERNAL VIEW AND INTERNAL STRUCTURE 2 – 1
MX-DE21
Service Manual
[2] EXTERNAL VIEW AND INTERNAL STRUCTURE
1. Sensor, detector, switch
Signal
name
Name
Type
Function/operation
D1LUD
Paper feed tray 3 upper limit
detector
detector
Transmission type
This detector detects when the tray in paper feed tray 3 reaches its upper limit.
D1PED
Paper feed tray 3 paper empty
detector
detector
Transmission type
This detector detects when there is paper in paper feed tray 3.
D1PPD1
Paper feed tray 3 paper pass
sensor 1
sensor 1
Transmission type
This detector detects when paper is in the transport path for paper feed tray 3.
D1PPD2
Paper feed tray 3 paper pass
sensor 2
sensor 2
Transmission type
This detector detects when paper is in the transport path for paper feed tray 3.
D1PQD
Paper feed tray 3 paper quantity
detector
detector
Transmission type
This detector detects the amount of paper remaining in paper feed tray 3.
D2LUD
Paper feed tray 4 upper limit
detector
detector
Transmission type
This detector detects when the tray in paper feed tray 4 reaches its upper limit.
D2PED
Paper feed tray 4 paper empty
detector
detector
Transmission type
This detector detects when there is paper in paper feed tray 4.
D2PQD
Paper feed tray 4 paper quantity
detector
detector
Transmission type
This detector detects the amount of paper remaining in paper feed tray 4.
DCDT
Tandem tray installation detec-
tor
tor
---
Detects installation of tandem tray.
DPFD1
Paper feed tray 4 paper pass
detector
detector
Transmission type
This detector detects the amount of paper remaining in paper feed tray 4.
DSW-TD
Paper feed tray TD open/close
detection detector
detection detector
Transmission type
This detector detects when the right door is opened or closed.
$37
4$
$00$
$0&$
$0%$
$01$
$0%$
$,5$
$#$4
$,5$
$01$
$00$
MX-DE21 EXTERNAL VIEW AND INTERNAL STRUCTURE 2 – 2
2. Motor, clutch
Signal
name
Name
Type
Function/operation
D1LM
Paper feed tray 3 lift-up motor
DC brush motor
This motor lifts up the tray in paper feed tray 3.
D1PFC
Paper feed tray 3 paper feed clutch
Electromagnetic
clutch
clutch
This clutch controls the ON/OFF status of the paper feed roller (paper feed tray 3).
D1PUS
Paper feed solenoid (Paper feed
tray 3)
tray 3)
Electromagnetic
solenoid
solenoid
Lifts the paper pickup roller.
D2LM
Paper feed tray 4 lift-up motor
DC brush motor
This motor lifts up the tray in paper feed tray 4.
D2PFC
Paper feed tray 4 paper feed clutch
Electromagnetic
clutch
clutch
This clutch controls the ON/OFF status of the paper feed roller (paper feed tray 4).
D2PUS
Paper feed solenoid (Paper feed
tray 4)
tray 4)
Electromagnetic
solenoid
solenoid
Lifts the paper pickup roller.
DPFM
Desk paper feed motor
DC brushless
motor
motor
This motor drives the paper feed and transport sections.
DPTRC
Desk paper transport clutch
Electromagnetic
clutch
clutch
This clutch controls the ON/OFF status of the transport roller 3, vertical transport roller
1, transport roller 5 and vertical transport roller 2.
1, transport roller 5 and vertical transport roller 2.
DPFM
DPTRC
D2LM
D2PFC
D1PFC
D2PUS
D1PUS
D1LM