Xerox 7142 Service Manual - page 64
4 Parts Replacement
RJ-901C/RJ-900C Maintenance Manual
4-18
4.3.2
Removing Board Bracket
NOTE
Before replacing the board assemblies, remove the following parts.
• Media guide R2:
"4.2.7 Removing Media Guide R2" p.4-14
• Connector panel:
"4.3.1 Replacing Connector Panel, Network Interface Card (NIC),
Cooling Fan" p.4-16
1. Remove the following connectors from the main board assembly.
CAUTION
When connecting or removing the FFC type cables to the main board assembly
connector, always pull or push the cables perpendicularly to the connector.
Pulling or pushing the wire slantwise may damage/short/break the terminals in the
connectors, resulting in a breakdown of the on-board elements.
Table 4-3 Connectors to Main Board Assembly
No.
Connector
No.
# of pins Color
Connect to
Remarks
1
J1
14
White
Power board assembly
2
J5
FFC
Black
Operation panel unit assembly
3
J9
FFC
Black
CR board assembly J203
4
J10
FFC
Black
CR board assembly J202
5
J11
FFC
Black
CR board assembly J201
6
J12
4
White
PF ENC assembly
7
J14
8
Black
Ink sensor K assembly
8
J15
8
Blue
Ink sensor C assembly
9
J16
8
Red
Ink sensor M assembly
10
J17
8
Yellow Ink sensor Y assembly
11
J20
2
White
PF motor assembly
12
J21
3
White
CR motor assembly
13
J22
4
White
Pump motor assembly
14
J24
3
White
CR_ORG sensor
15
J25
2
White
Suction fan 1 assembly
16
J26
2
Black
Suction fan 2 assembly
17
J27
3
Black
Wiper origin sensor
18
J30
3
Blue
Lever sensor assembly