MX-DE20. MX-DE20 Service Manual - Sharp Copying Equipment Service Manual (repair manual)

mx-de20 service manual
Model
MX-DE20
Pages
28
Size
8.09 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / MX-DE20 Service Manual
File
mx-de20.pdf
Date

Read Sharp MX-DE20 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2
3. Disassembly and assembly in each unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4
[4] ELECTRICAL SECTION
1. Block diagram  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
2. Actual wiring diagram  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
[5] OPERATIONAL DESCRIPTIONS
1. Electrical and mechanical relation diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
2. Paper Empty Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5
3. Paper Size Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5
4. Paper level detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5
CODE: 00ZMXDE20/S1E
CONTENTS
DIGITAL FULL COLOR
MULTIFUNCTIONAL SYSTEM OPTION
STAND/500&2000 SHEET PAPER DRAWER
MX-DE20
MODEL
Symbols in this manual
The lists of symbols used in this manual are shown below.
The meaning of each symbol described in the table must be understood for proper servicing.
1. Symbols used for notes and 
cautions
2. Symbols used in the work 
contents
Symbol
Meaning
CAUTION
Indicates a general 
caution item.
HIGH TEMP
Be careful of a high 
temperature in the 
fusing section.
HIGH VOLTAGE
Be careful of an electric 
shock where a high 
voltage is applied such 
as the high voltage 
PWB, the main charger, 
and the process section.
DANGER
Indicates danger.
HANDLE WITH 
CARE
Indicates a part which 
requires special care for 
handling such as the 
HDD, and the LSU.
INHIBIT
Indicates inhibit.
NO 
ELECTROSTATIC
CHARGE 
Be careful to keep away 
from static electricity.  
(PWB's and electric 
parts)
NO DUST, 
FINGER PRINT, 
DIRT, SCRATCH
Be careful not to touch 
directly, such as the 
optical section, the 
photoconductor, and the 
DV roller. 
Also be careful not to 
scratch. 
NO SCRATCH
NO LIGHT
Be careful not to expose 
to light, such as the 
photoconductor, and the 
test chart.
NO SOLVENT
Be careful not to use a 
solvent in cleaning, etc.
NO DISASSEMLE
Do not disassemble. 
Not serviceable. 
Example CCD unit.
OK/GOOD
Indicates a correct 
procedure or result in an 
adjustment, etc.
NO GOOD
Indicates a wrong 
procedure or result in an 
adjustment, etc.
NOTE
Indicates a note.
IMPORTANT
Indicates an important 
item. 
REFER
Indicates a reference 
page, etc. 
NEW
Indicates a new 
technology, a new 
method, or a new item.
EXAMPLE
Indicates a description 
using an example.
Symbol
Meaning (Work content)
Adhesion
Indicates that a seal, etc. 
is attached.
Adjustment
Indicates an adjustment.
Measure a 
dimension or a 
size.
Indicates that a 
dimension or a length is 
measured.
Apply grease
Indicates that grease is 
to be applied.
Apply conductive 
grease
Indicates conductive 
grease is applied.
Cleaning 
(Dry)
Indicates clean with a 
dry cloth.
Cleaning 
(Wet)
Indicates clean with a  
cloth dampened with 
water.
Cleaning 
(Alcohol)
Indicates clean with 
alcohol.
Cleaning 
(Blower)
Indicates cleaning is 
done with a blower/
brush.
Symbol
Meaning
3. Symbols used for kinds of parts
4. Symbols used for additional 
descriptions
Cleaning 
(Vacuum)
Indicates that cleaning is 
performed with a 
vacuum cleaner.
Cleaning 
(Brush)
Indicates that cleaning is 
performed with a brush.
Oil
Indicates that oil is 
applied to lubricate.
Apply powder.
Indicates that setting 
power is applied to the 
photoconductor drum, 
the transfer belt, etc.
Replace
Indicates that a part is 
replaced.
Check
Indicates that a check 
(replacement, 
adjustment, cleaning) is 
performed.
Cut
Indicates that cutting is 
performed.
Loosen
Indicates that a screw is 
loosened.
Connect
Indicates that a 
connector is connected.
Disconnect
Indicates that a 
connector is 
disconnected.
Remove a 
harness.
Indicates that a harness 
is unsecured.
Attach a harness.
Indicates that a harness 
is secured.
Remove a clamp.
Attach a clamp.
Release a hook.
Indicates that a hook is 
released.
Fix a hook. 
Indicates that a hook is 
fixed.
Disengage the 
pawl.
Symbol
Meaning (Work content)
Engage the pawl.
Screw lock
Indicates that a screw is 
secured with adhesive.
Unlock
Turn OFF the 
power.
Disconnect the 
power plug.
Symbol
Meaning (Kinds of parts)
Maintenance 
part
Indicates a part which is 
replaced in a maintenance 
procedure.
Consumable 
part
Indicates a consumable 
part such as a 
photoconductor, 
developer, a transfer belt, 
etc.
Waste part
Indicates a waste part 
which is consumed but 
excluded from the above 
consumable parts. (A 
roller, a seal, etc.)
Unit part
Indicates a part which is 
designated as a unit.
Included part
Indicates a part which is 
included in the package
Symbol
Meaning
View from the 
top
Indicates from which 
angle the drawing is 
viewed.
View from the 
bottom
View from the 
front
View from the 
back
Symbol
Meaning (Work content)
MX-DE20  SPECIFICATIONS  1 – 1
MX-DE20
Service Manual
 
[1] SPECIFICATIONS
Feedable paper
Tray
Tray2
Tandem Left
Tandem Right
Transportation standard
Center standard
Heater Kit
Available as service part
Paper Capacity (Plain paper : 80g/m
2
 )
500 sheet
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
Changed by user
Set by service person
Changed by user
Default Paper Size 
Setting
Inch System
Max. width of paper guide
8.5 x 11
8.5 x 11
AB System
Max. width of paper guide
A4
A4
Rest of Paper Detection
3-level & none
(100%, 67%, 33%, none)
3-leve l&  none
(100%, 33%, 6%, none)
3-level & none
(100%, 50%, 9%, none)
Power Source
Supplied by main unit
Power consumption
Less than   24W
Dimension (W x D x H)
583x577x382mm, 22-61/64x22-46/64x15-3/64inch (Adjuster and projections are not included.)
Weight
30kg, 66.2 lbs
Detection as Option
MFP automatically detects the option when installed
Tray 2
Tandem Left
Tandem Right
Min. Paper Weight
60g/m
2
60g/m
2
60g/m
2
Max. Paper Weight
220g/m
2
105g/m
2
105g/m
2
Paper
Type
Plain Paper 60-105g/m
2
  16-28lb bond
Yes
Yes
Yes
Recycled Paper
Yes
Yes
Yes
Color Paper
Yes
Yes
Yes
Letter Head
Yes
Yes
Yes
Pre Printed
Yes
Yes
Yes
Heavy Paper 106-220g/m
2
,  28lb bond-110lb Index
Yes
-
-
Paper
Size
Ledger(11x17)
Yes
-
-
Legal(8.5x14)
Yes
-
-
Asian Legal(8.5x13.5)
Yes
-
-
Mexican Legal(8.5x13.4)
Yes
-
-
Foolscap(8.5x13)
Yes
-
-
Letter(8.5x11)
Yes
Yes
Yes
Letter-R(8.5x11R)
Yes
-
-
Exective-R(7.25x10.5R)
Yes
-
-
Inv(5.5x8.5)
Yes
-
-
Invoice-R
Yes
-
-
A3
Yes
-
-
B4
Yes
-
-
A4
Yes
Yes
Yes
A4R
Yes
-
-
B5
Yes
-
-
B5R
Yes
-
-
A5R
Yes
-
-
8K
Yes
-
-
16K
Yes
-
-
16KR
Yes
-
-
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Download Sharp MX-DE20 Service Manual (Repair Manual)

Here you can read online and download Sharp MX-DE20 Service Manual in PDF. MX-DE20 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp MX-DE20 Copying Equipment. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.