Read Panasonic UF-E1 / UF-E1CN (serv.man2) Other Service Manuals online
UF-E1
2
1.1.2.
Auto Reception (Single Page)
1.1.3.
Copy Operation
No.
Operation
Refer to Page 3
Operation
Signal Route
1
Photo-coupler on NCU detects Ringing signal.
23
(8)
2
Frequency and pattern of Ring are checked.
3
PSTN line is connected from telephone side to Fax side by CML
Relay.
Relay.
22
4
Modem sends and receives several signal for pre-message proce-
dure.
dure.
18
29
29
(6), (7), (8)
(8), (7), (9), (10)
(8), (7), (9), (10)
5
Modem receives Picture Data and demodulate (change from Analog
Data to Digital Coded Data) through NCU PCB and several Amp.
Data to Digital Coded Data) through NCU PCB and several Amp.
27
28, 29
28, 29
(8), (7), (9), (10)
6
Modem converts Coded Data from Serial Data to Parallel Data.
29
7
The Coded Data is transferred to Buffer Memory.
30
(11)
8
The Code Data is decoded to picture data.
32
(13)
9
The decoded picture data is sent to line memory one line at a time,
and is also sent to the heads.
and is also sent to the heads.
33, 34
(13), (14)
10
The RX motor and Ink heads are controlled and a recording is made. 35, 36
(15)
11
Items 8 through 10 are repeated until the reception of one page has
been completed.
been completed.
32 - 36
(13), (14), (15)
12
Modem received and send several signals for past-message proce-
dure.
dure.
18
29
29
(6), (7), (8)
(9), (10)
(9), (10)
13
When one page has been recorded, the Cutter Motor is controlled and
the recording paper is cut.
the recording paper is cut.
37
(15)
No.
Operation
Refer to Page 3
Operation
Signal Route
1
Document Sensor detects a document.
1
(17)
2
The document is fed to Scanning Point Sensor by TX Motor.
2, 3
(17)
3
CIS is driven by SC PCB and changes from photo signal to electronic
signal.
signal.
4
(17)
4
CIS provides Scanning Data to SC PCB.
(1)
5
Off-set circuit adjusts black level of Scanning Data to 0V.
5
6
ABC (Auto Background Control Circuit) stabilizes white level of scan-
ning Data to about 3V.
ning Data to about 3V.
6
7
A/D converts from Analog Scanning Data to 6 bits Digital signal (64
level half tone).
level half tone).
7
8
Binary Coding Circuit fixes Scanning Data (Half tone data of 64 levels)
to white or black (Image data).
to white or black (Image data).
8
9
Serial/Parallel Circuit converts serial Image Data to 8 bits Parallel
Data for transferring to bus line.
Data for transferring to bus line.
9
10
One line of Image Data is transferred to Line Memory.
10
(2)
11
Data is sent from the line memory to the thermal heads.
34
(14), (18)
12
The RX motor and Ink heads are controlled and a recording is made. 35, 36
(15)
13
Item 10 through 12 are repeated until one page has been and the
recording is completed.
recording is completed.
10, 34, 35,
36
36
(2), (14), (15),
(18)
(18)
14
When one page has been recorded, the recording paper is ejected.
37
(15)
Click on the first or last page to see other UF-E1 / UF-E1CN (serv.man2) service manuals if exist.