Replacing Main Board Assembly - Xerox 7142 Service Manual

RJ-901C/RJ-900C Maintenance Manual
4.3.3

Replacing Main Board Assembly

NOTE
• When replacing the main board assembly, make sure to back up the parameters by following the
instructions in "7.3.1 Parameter Backup"
box or the tube cannot be updated and ink may overflow inside the product.
Perform other adjustments by following the instructions in
• Before replacing the main board assembly, remove the following parts.
• Media guide R2:
• Connector panel:
Cooling Fan" p.4-16
• Board bracket:
1. Remove the screws retaining the main board assembly to the board bracket (cup screw M3
1
2. Replace the main board assembly
3. To reassemble the unit, reverse the removal procedure.
4. Input the parameters and install the firmware by following the instructions in
Dedicated Network Software"
5. Perform adjustment on media edge sensor and the P_REAR sensor by following the instructions in
Adjustment Item"
"4.2.7 Removing Media Guide R2" p.4-14
"4.3.1 Replacing Connector Panel, Network Interface Card (NIC),
"4.3.2 Removing Board Bracket" p.4-18
2
2
p.7-10.
p.7-3.
p.7-10. Otherwise, the life counters on the waste fluid
"7.2 Adjustment Item"
No.
1 Main board assembly
2 Main board assembly screw
4-21
4 Parts Replacement
p.7-3.
×
6: 7pcs).
Part name
"7.3 Working with
"7.2