DOWNLOAD Sharp MX-B381 / MX-B401 (serv.man7) Service Manual ↓ Size: 46.25 MB | Pages: 127 in PDF or view online for FREE

Model
MX-B381 MX-B401 (serv.man7)
Pages
127
Size
46.25 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / JAN 2011 REVISED SERVICE MANUAL
File
mx-b381-mx-b401-sm7.pdf
Date

Sharp MX-B381 / MX-B401 (serv.man7) Service Manual ▷ View online

MX-B381/B401  CONSUMABLE PARTS  2 – 3
4. Life end conditions
A. Toner cartridge
After detecting near end, when the toner density is lowered to the
specified level or lower and the toner sensor detects toner LOW
continuously for a certain time, it is judged as toner end.
B. Developer cartridge/Drum cartridge
• When the developer (developer cartridge)/drum counter exceeds
the specified number of sheets.
• When the rpm of the developer cartridge/drum cartridge exceeds
the specified number.
In an actual use, in the correction operation and the warm-up oper-
ation as well as the output operation, the developer cartridge and
the drum rotate idly.
If the correction operation and the warm-up operation are made fre-
quently, idle rotations of the developer cartridge and the drum are
increased accordingly.
Because of these factors, the consumption degree of the developer
cartridge and the drum cartridge cannot be determined only with
the print quantity. When, therefore, the number of rotations of the
cartridge exceeds the specified level, it is judged as life end.
As the reference for the drum/developer (developer cartridge) life.
the accumulated number of rotations can be displayed with SIM 22-
1. The value displayed with SIM 22-1 indicates the reached level in
percent (%) when the developer (developer cartridge)/drum life is
100%.
Example) Life 550K, used number of rotations 385K
385/550 x 100 = 70 (%)
5. Life end display
A. Drum cartridge
*1: Selection of Display/Not Display can be made with Sim26-69. (Default: Not Display)
• When the drum cartridge is replaced with a new one, the print counter, the accumulated traveling distance counter, the accumulated rotation
number counter, and the usage day counter are automatically cleared. If SIM26-55 setting is set to ENABLE in that case, the guidance for
execution of the automatic adjustment of the engine is displayed.
• If SIM26-55 setting is set to DISABLE, SIM46-74 must be used to execute the automatic adjustment of the engine.
• If the above guidance does not disappear when the drum cartridge is replaced, SIM24-7 must be executed to clear the print counter, the
accumulated traveling distance counter, the accumulated rotation number counter, and the usage day counter, and the engine automatic
adjustment must be executed.
• The above display disappears when the counters are cleared.
Developer (Developer 
cartridge)/
Drum counter
Number of rotations 
of Developer 
(Developer cartridge)/
Drum
Black-White
Black-White
Developer (Developer 
cartridge)/Drum
72K
550K rotations
Single multi
33,000
2 sheets multi
52,000
3 sheets multi
64,000
4 sheets multi
72,000
60,000
70,000
80,000
20,000
30,000
40,000
50,000
Numbers
of
printable
quantity
0
10,000
Single
multi
2
sheets
multi
3
sheets
multi
4
sheets
multi
Display content
Display condition
Print job 
Enable/
Disable
Sim26-38-E
set value
Counter name
Counter value
Change the supplies. > Drum Cartridge
0 (Print continue)
Drum cartridge print counter
When 72K is reached
Enable
Drum cartridge accumulated rotation number
When 550K rotations is reached
Enable
The supplies will be needed soon.
> Drum Cartridge *1
1 (Print stop)
Drum cartridge print counter
When 90% of 72K is reached by the 
counter
Enable
Drum cartridge accumulated rotation number
When 90% of 550K rotation is 
reached by the counter
Enable
Change the supplies. > Drum Cartridge
1 (Print stop)
Drum cartridge print counter
When 72K is reached
Enable
When 72K + 1K is reached
Disable
Drum cartridge accumulated rotation number
When 550K rotations is reached
Enable
When 550K rotation + 430Kmm is 
reached
Disable
MX-B381/B401  CONSUMABLE PARTS  2 – 4
B. Developer cartridge
*1: Selection of Display/Not Display can be made with Sim26-69. (Default: Not Display)
• When the developer cartridge is replaced with a new one, the print counter, the accumulated traveling distance counter, the accumulated
rotation number counter, and the usage day counter are automatically cleared, and the initial setting of the toner density is automatically exe-
cuted.
• When SIM26-55 setting is set to ENABLE, the initial setting of the toner density is executed and the guidance for execution of the automatic
adjustment of the engine is displayed.
• When SIM26-55 setting is set to DISABLE, SIM46-74 must be used to execute the automatic adjustment of the engine after completion of
the initial setting of the toner density.
• If the above guidance does not disappear when the developer cartridge is replaced, the initial setting of the toner density must be executed
with the simulation, and the engine automatic adjustment must be executed.
• When the initial setting of the toner density is executed, the counters are cleared and the above display disappears.
C. Toner cartridge
*1: Detected by the toner motor rotation number and the pixel count (The value of larger life percentage is employed.)
*2: Selection of Display/Not Display can be made with Sim26-69. (Default: Not Display)
*3: Setting can be made with Sim26-69. (Default: 0 sheet)
6. Environment conditions
A. Operating environment conditions
Temperature: 10 - 35
C
Humidity: 20 - 85% RH
Atmospheric pressure: 590 - 1013hPa (Altitude: 0 - 2000m)
B. Transit environment conditions 
(term: 2 weeks)
-20 - 45
C (Free from dew)
C. Storage environment conditions (unopened)
-10 - 40
C (Free from dew)
D. Disposal standard
Toner cartridge/developer cartridge: 24 months (unopened) from
the production month.
Drum cartridge: 36 months from the production month
Display content
Display condition
Print job
Enable/
Disable
Sim26-38-F
set value
Counter name
Counter value
Change the supplies.
> Developer Cartridge
0 (Print continue)
Developer cartridge print counter
When 72K is reached
Enable
Developer cartridge accumulated rotation number
When 550K rotations is reached
Enable
The supplies will be needed soon.
> Developer Cartridge *1
1 (Print stop)
Developer cartridge print counter
When 90% of 60K is reached by the 
counter
Enable
Developer cartridge accumulated rotation number
When 90% of 550K rotation is 
reached by the counter
Enable
Change the supplies.
> Developer Cartridge
1 (Print stop)
Developer cartridge print counter
When 72K is reached
Enable
When 72K + 1K is reached
Disable
Developer cartridge accumulated rotation number
When 550K rotations is reached
Enable
When 550K rotation + 430Kmm is 
reached
Disable
Display content
Display condition
Print job
Enable/
Disable
Remaining 
quantity display *1
Status
The supplies will be needed soon. > Toner Cartridge *2
25-0%
Toner remaining quantity is 25% or less.
Enable
25-0%
Toner remaining quantity corresponds to output of XX sheets. *3
Enable
Change the supplies. > Toner Cartridge
0%
When the toner cartridge reaches toner end.
Disable
No display
50-25%
Toner remaining quantity is 49 - 25%.
Enable
No display
75-50%
Toner remaining quantity is 74 - 50%.
Enable
No display
100-75%
Toner remaining quantity is 100 -75%.
Enable
Install the toner cartridge.
No display
When no toner cartridges are installed.
Disable
Improper cartridge.
No display
When an incompatible toner cartridge is installed.
Disable
Cartridge error.
No display
CRUM trouble
Toner cartridge connector contact trouble
Disable
Temperature
Humidity (RH)
85%
60%
20%
MX-B381/B401  EXTERNAL VIEW AND INTERNAL STRUCTURE  3 – 1
MX-B401
Service Manual
 
[3] EXTERNAL VIEW AND INTERNAL STRUCTURE
1. External view
*1: Option
No.
Name
Function/Operation
1
Auto document feeder
Feeds the set documents automatically, and scans them continuously. The duplex surfaces are scanned.
2
Operation panel
Used to enter an input of various settings or the copy quantity.
3
Paper exit tray (Center tray)
Copied or printed paper is discharged to this tray.
4
Finisher *1
Delivers stapled paper, and allows offset discharge of paper.
5
Front cover
This is opened when replacing toner cartridges or the waste toner box.
6
Tray 1
Stores paper. Max. 500 sheets (80g/m
2
, 21lbs)
7
Tray 2 (with the MX-CSX1 installed) *1
Stores paper. Max. 500 sheets (80g/m
2
, 21lbs)
8
Tray 3 (with the MX-CSX2 installed) *1
Stores paper. Max. 500 sheets (80g/m
2
, 21lbs)
9
Tray 4 (with the MX-CSX2 installed) *1
Stores paper. Max. 500 sheets (80g/m
2
, 21lbs)
10
Main power switch
Turns on the power of the machine. When FAX or Internet FAX is used, keep it ON.
11
Handle
Use this handle to lift the main unit for transit.
12
Right side cover release lever
To remove paper jam, lift this lever and open the right side cover.
13
Manual paper feed tray
For manual paper feed, paper is inserted from this tray. When A4R or 8-1/2" x 11"R paper is set, extend the 
auxiliary tray.
14
One-stage paper feed unit side cover 
(with the MX-CSX1/2 installed)
To remove paper jam in tray 2, 3, or 4, open this cover.
2
3
10
11
5
1
12
4
11
14
13
6
7
8
9
MX-B381/B401  EXTERNAL VIEW AND INTERNAL STRUCTURE  3 – 2
2. Internal structure
No.
Name
Function/Operation
Note
1
Toner cartridge
When toner is exhausted in a cartridge, remove the cartridge and replace it 
with a new one.
2
Drum cartridge
This cartridge stores a drum. When the specified life is reached, replace it 
with a new cartridge.
3
Developer cartridge
This cartridge stores developer. When the specified life is reached, replace it 
with a new cartridge.
4
MC cleaning rod insertion port
When the copy quality is degraded by dirt on the MC unit, the rod to clean the 
MC unit is inserted into this port.
5
LSU cleaning rod insertion port
When the copy quality is degraded by dirt on the LSU, the rod to clean the 
LSU is inserted into this port.
6
Fusing section
Fuses images transferred on paper by heat.
Note: The fusing section is heated 
to a high temperature. Be careful 
not to burn when paper jam.
7
Transfer belt
The transfer belt transfers toner on the drum.
Do not touch or scratch. It may 
cause degraded images.
8
Right side cover
Opened when a paper jam is generated.
9
Waste toner box
Receives waste toner when copying or printing.
The waste toner box is collected 
by the servicemen.
10
Waste toner box release lever
When the waste toner box is removed, this lever is rotated to release lock.
11
Drum positioning plate unit release 
lever
Releases lock of the drum positioning plate unit. When a drum cartridge or a 
developer cartridge is replaced, rotate this lever to open the drum positioning 
plate unit.
10
9
1
6
7
8
3
2
5
4
11
11
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