Specifications

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• Appendix B Users Manual Model 686 / 686 HT
Appendix B
Software Upgrade Chip Placement Positions
Head Driver Board P/N 341106NE
P N .3 4 1 10 6 R E V 0
P A X A R S N .
U 17
D8
D10
D39
D27 D20
D2
D26 D14
D1
R 5
A58
D7
D19
D4
D38 D16
D13
D 41
D 29
D 37
D 3
D 25
D 15
U 2
C9
C 7
R56 R55 R54 R42 R41
C 6
U 11
R53 R52 R51 R50 R49
U 13
C 5
C 2
C 8
C 4
J 6
1
J1
1 6
D47 D23
D11D35
D22
A45 A1
C 1
D9
D46
D34
D21
D44
D32
R4
R14
1 5
3 0
R 2
D 48
D 45
D 36
D 33
D 24
D 12
U14
JP 1
C 21
J3
C 22
U 16
R57
R60 R59
D6 D43
C 20
C 19
C18
R64
C17
R62
R61
D31
D18
D30
R63 D40 D28 D17
D5D42
J4
U9
R3
R 22
U 4
R 13R 1 2
C 16
U 1
R24
R 9
R 21R 1 9
R 10
C 3
R 11
U 8U 7
R23
Q 1
R 8R 6
R 18R 16 R 15
C 14
C10
U 6
C11
A1
R 7
R 17
R1
U 3
C13C12
U 5
J7
4321
U 15
J 5
R 38 R39 R37 R36 R20
R32
R40R31
R30
R29
R28
R27
R26
R25
K1
R33 R47 R46 R35 R34
C23
+
U 10
C 15
J2
R48 R45 R44 R43
U 12
U 1 7
U 1
U 1 4
J P 2
JP 1
P IN 1
HEAD DRIVER BOARD, Upgradeable software I.C.'s include U1, U14, U17.
PLCC CHIPS align angled corner of chip with angled corner of socket that is counter clockwise to the arrow.
(Use chip removal tool P/N. 351156 for square I.C removal)
JUMPER SETTING
JP1 On = 240DPI
Off = 300 DPI
JP2 1 to 2