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PRINT HEAD
&
ASSOC. ASS
r
Y
3. Unplug print head fingerboard connector (9) from connector
(34) on video amplifier board (26).
4. Remove upper screws, washers (16, 17) and lower screws,
washers (18, 17) holding print head to print head support
bracket (20). Use diagonal method of removal, e.g.,
upper left, lower right, upper right, lower left.
5. To install print head, reverse removal/replacement pro-
cedure, para. A.1. through A.4., and refer to Operator
Manual for Forms Thickness Control prior to printing.
B. CARRIAGE (FIG. 8-19)
1. Refer to removal/replacement procedure of print head
carriage (24) in para. 5.2.1.2.B.1. through B.10.
C. POWER DRIVER BOARD (FIG. 8-19)
1. Refer to para. 5.2.18.2.A.1. and detach top cover (AM-6).
2. Unplug ribbon cable connector board (31) from holding
clips of power driver board (33) connector (34). Refer
to Section 7 for electrical component board assembly,
Power Driver 63060105-4001 (air-gap clutch) or 63060105-4005
(preload) •
3. Release ribbon cable ass'y (31)
comin~
from video amplifier
board (26) to the power driver board (33) by removing
screw, washer (35, 36) from cable clamp (37) of cable
tray located on the front of the power driver heat sink
(48).
4. Remove entire heatsink bracket (48), which includes
attached power driver board (33), by removing three counter-
sunk metric screws (38) at front of printer attached to
printer frame unit (Ref. AH/12).
5. To re-install power driver unit, reverse above disassembly
procedure.
D. VIDEO AMPLIFIER AND CABLE ASSEMBLY (FIG. 8-19)
1. Perform steps 1 , 2, and 3 of para. 5.2.18.2.C.
2. Unplug print head fingerboard (9) from holding clips
(2) View A on connector (34) of the video amplifier board
(26) •
3. Remove entire video amplifier board (26) and attached
cables (31) by removing screws, washers (28, 29, 30)
(View A) from bracket support (47) attached to front of
print head carriage (24).
5-47
Rev. E
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