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+24VF +24V +5VD
+5VD +5VA
+5VD
F501 IC502
0.25A IC504 +3.3V/BATT +3.3V +5VD
A[0] 12 A0 D0 13 D[0]
TO POWER UNIT R520 A[0] 10 A0 D0 11 D[0] A[1] 11 A1 D1 14 D[1]
CN506 A[1] 9 A1 D1 12 D[1] A[2] 10 A2 D2 15 D[2]
A[2] 8 A2 D2 13 D[2] A[3] 9 17 D[3]
DG 10k A[3] 7 A3 D3 15 D[3] A[4] 8
A3 D3
18 D[4]
+5V 1 A[4] 6 A4 D4 D[4] A4 D4
A[5] D[5]
Z0.1u
16 7 19 +5VD
6.3V 100u
A5 D5
A[5] 5 A5 D5 17 D[5] +5V/BATT +5VD A[6] 6 20 D[6]
C636
DG 2
3
D[6] A6 D6
1
2
A[6] 4 A6 D6 18 A[7] 5 21 D[7]
C638
DA501
( )
A7 D7
A[7] 3 A7 D7 D[7]
OUT
A[8]
C508
19 27
IN
C509
PG 3
( )
C525 A8
C515 A[8] 25 A8 A[9] 26
IC507
F1.1k
L514
R547 4.7k
A9
1
2
K1000p Z0.1u A[9] 24 A9 A[10] 23
R619
4 GND
PG 4
3 NC
A10
( )
A[10] 21 A10 VCC 28 A[11] 25 A11
R546
+24V 5 A[11] 23 A11 D508 A[12] 4 A12 A18 31
.... RBA[0] 2 A12 BATT RBA[0] 28 1
THDAT RBA[1] 26 A13 CS A13 VPP
BAT501 J501 R543
RBA[1]
2.2k
20 29 32
+24V 6 C504
( )
Z0.1u
.... A14 VCC
C503
C539
RBA[2] 1 A14 RBA[2] 3
C553
( ) THCLK RBA[3]
A15
OE 22 2
( )
+24V 7 Q507 A16
Z0.1u
THLAT 14 GND WE 27 RBA[4] 30
C634
A17
Z0.1u
22
J502 F4.7k
C543 Z0.1u
CE
24 OE GND 16
(1)
STB1
3.3V
R620
+24V PG RBA[5]
C546
R548
0
( )
+24V STB2
CN510 IC506 (2)
+24V 1 1S D 8 (3)
5.6k
DG 2
(4)
K0.047u
2S D 7
R505
PTOP
FILMEND
SENLEDON
S_ENB
DG MDMRST
C502
Not Used +5VD 3S D 6 (5)
4G D 5 +5VD (6)
+3.3V
TO THERMAL HEAD R506 (7)
A[12]
A[11]
A[10]
A[9]
A[8]
A[7]
A[6]
A[5]
A[4]
A[3]
A[2]
A[1]
A[0]
CN505 4.7k
COM(THON) 11
(8)
THLAT 10
R507 THLAT THON (9)
RBA[5]
RBA[4]
RBA[3]
RBA[2]
RBA[1]
RBA[0]
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
5
R508 0 R550
Z0.1u
D[7] Z0.1u
Z0.1u
C535
STB1
C544
C538
STB1 9
0 Q502 100 (10)
1
RA501 2
100 3
4
1
2
3
4
1
2
3
4
1
2
3
4
GND(PG) 8
(11)
100
100
100
RA502
RA503
RA504
R552
D[6]
D[0]