Sharp MX-3050N / MX-3060N / MX-3070N / MX-3550N / MX-3560N / MX-3570N / MX-4050N / MX-4060N / MX-4070N (serv.man6) Service Manual ▷ View online
MX-4070V EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 4
2. Internal structure
No.
Name
Function/Operation
Note
1
The main power switch
Use this switch to turn on the power for the machine. When using the
fax or Internet fax functions, always keep this switch in the “ | ”
position.
fax or Internet fax functions, always keep this switch in the “ | ”
position.
2
Toner cartridge
This cartridge contains toner. When the toner in a cartridge runs out,
replace with new one.
replace with new one.
3
Waste toner box
This container collects excess toner that remains after printing.
A service technician collects
replaced waste toner box.
replaced waste toner box.
4
Fusing unit
Heat is applied here to fuse the transferred image onto the paper.
The fusing unit is hot. Take
care not to burn yourself when
removing a misfeed.
care not to burn yourself when
removing a misfeed.
5
Transfer belt
During full color printing, the toner images of the four colors on the
photoconductive drums are combined
together on the transfer belt. During black and white printing, only the
black toner image is transferred onto the transfer belt.
photoconductive drums are combined
together on the transfer belt. During black and white printing, only the
black toner image is transferred onto the transfer belt.
Do not touch or damage the
transfer belt. This may cause a
defective image.
transfer belt. This may cause a
defective image.
6
Right side cover
Open this cover to remove a paper misfeed.
7
Paper reversing section cover
This unit is used for reversing paper when 2-sided printing is
performed. Open this cover to remove a paper misfeed.
performed. Open this cover to remove a paper misfeed.
8
Waste toner box release button
Press this button when you need to release the waste toner box lock to
replace the waste toner box or clean the laser unit.
replace the waste toner box or clean the laser unit.
9
Handle
Pull this out and grasp it when moving the machine.
10
A stand/550/2x550/3x550/550&2100 sheet
paper drawer right-side cover
paper drawer right-side cover
Open this to remove a paper misfeed in tray 2, 3 and 4.
11
Paper tray right side cover
Open this to remove a paper misfeed in tray 1.
12
Right side cover release lever
To remove a paper misfeed, pull and hold this lever up to open the right
side cover.
side cover.
1
2
8
9
10 11 12
3
4
5
6
7
MX-4070V EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 5
3. I/F connectors
* Optional
No.
Name
Function/Operation
1
LAN connector
Connect the LAN cable to this connector when the machine is used on a network. Use a shielded LAN
cable.
cable.
2
Extension phone jack (TEL)*
When the fax function of the machine is used, an extension phone can be connected to this jack.
3
Telephone line jack (LINE)*
When the fax function of the machine is used, the telephone line is connected to this jack.
4
Power plug
1
2
3
4
MX-4070V EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 6
4. Operation panel
[Home Screen] key
Use your finger to touch the [Home Screen] key. If you use a pen or
other tool to touch the key, it may not operate properly. Risk of mal-
functioning if you use with jewelry or other accessories.
other tool to touch the key, it may not operate properly. Risk of mal-
functioning if you use with jewelry or other accessories.
You can change the angle of the touch panel.
1
2
3
4
5
6
7
No.
Name
Function/Operation
1
Data notification indicator
The indicator lights solidly or blinks to indicate the status of a job. When the Job separator or Exit tray unit
(right tray) is used for output, this blinks until the output is removed.
(right tray) is used for output, this blinks until the output is removed.
2
Touch panel
Messages and keys appear on the touch panel display. Operate the machine by directly tapping the
displayed keys.
displayed keys.
3
Error indicator
Lights solidly or blinks to indicate the status of the error.
4
Main power indicator
This lamp lights up when the machine's main power switch is in the “ ” position. Blinks green during the
time that the [Power] button does not operate immediately after the main power switch is switched on.
time that the [Power] button does not operate immediately after the main power switch is switched on.
5
[Power] button
Use this button to turn the machine's power on and off.
6
[Power Save] button/indicator
Use this button to set the machine to Sleep mode for energy saving. [Power Save] button blinks when the
machine is in Sleep Mode.
machine is in Sleep Mode.
7
[Home Screen] key
Use this button to display the home screen.
MX-4070V EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 7
5. DSPF
A. Rollers
No.
Name
Function and operation
1
Pickup roller
Picks up document and feed it to the document feed roller
2
Document feed roller
Perform the document feed operation of documents
3
Separation roller
Separate a document to prevent against double feed
4
Transport roller 1 (Drive)
Transports document from paper feed roller to transport roller 2
5
Transport roller 1 (Idle)
Applied a pressure to document and the transport roller, and provides transport power of the transport roller to
document
document
6
Transport roller 2 (Drive)
Transports document from transport roller to registration roller
7
Transport roller 2 (Idle)
Applied a pressure to document and the transport roller, and provides the transport power of the transport roller to
document
document
8
Registration roller (Drive)
Performs resist of document transport
9
Registration roller (Idle)
Applies a pressure to document and the registration roller, and provides transport power of the registration roller to
document
document
10
Transport roller 3 (Drive)
Transports document from the No.1 scan section to the transport roller 4
11
Transport roller 3 (Idle)
Applies a pressure to document and the transport roller and provides transport power of the transport roller to
document
document
12
Transport roller 4 (Drive)
Transports document from the transport roller 3 to the document exit roller
13
Transport roller 4 (Idle)
Applies a pressure to document and the transport roller and provides transport power of the transport roller to
document
document
14
Document exit roller (Drive)
Discharges document
15
Document exit roller (Idle)
Applies a pressure to document and the document exit roller and provides transport power of the document exit
roller to document
roller to document
1
2
3
5
4
7
6
9
8
10 11
12 13
14 15
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