3N0/3NK/3PD/3PG
1-5-3
3. Remove all connectors from the DF
main PWB.
4. Remove six screws.
5. Remove the DF main PWB.
6. Check or replace the DF main PWB
and refit all the removed parts.
CAUTION:
when replacing the DF main
PWB, remove the EEPROM (U2) from
the DF main PWB that has been
removed and then reattach it to the new
DF main PWB.
Figure 1-5-3
YC23
YC17
YC14
YC16
YC15
YC22
YC6
YC13
YC19
X1
1
1
1
11
1
16
15
4
12
1
6
1
1
18
2
13
1
14
YC1
U2
1
5
1
5
YC2
YC21
YC5
1
11
1
12
2
4
19
YC7
YC8
YC1
1
YC9
YC10
1
1
5
1
8
YC3
1
4
YC12
1
20
YC18
1
13
YC4
YC20
1
7
1
6
6
30
Screw
Screw
Screw
Screw
Screw
Screw
Screw
DF main PWB
Summary of Contents for AK 740
Page 1: ...Service Manual RFXPHQW LQLVKHU D 07 3 LUVW GLWLRQ Date 2 0 20 3 SM06 ...
Page 2: ...Service Manual RFXPHQW LQLVKHU D 07 3 LUVW GLWLRQ Date 2 0 20 3 SM06 ...
Page 4: ...Revision history Revision Date Pages Revised contents ...
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Page 11: ...This page is intentionally left blank ...
Page 17: ...3N0 3NK 3PD 3PG 1 1 4 2 Mail box option Figure 1 1 2 1 2 1 Trays 1 7 2 Mailbox cover ...
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Page 45: ...3N0 3NK 3PD 3PG 1 3 16 This page is intentionally left blank ...
Page 129: ...3N0 3NK 3PD 3PG 2 2 9 This page is intentionally left blank ...
Page 155: ...1 1 INSTALLATION GUIDE DF 791 3000 sheet finisher Installation Guide ...
Page 170: ...AK 740 Bridge unit Installation Guide ...
Page 172: ...MT 730 B Mail box Installation Guide ...