PJ-1614NXE PJ-2216NXE Maintenance Manual
4 Part Replacement
4-51
4. Replace the cartridge heater and thermister.
5. To install the removed components, reverse the removal procedure.
4.7.2 Replacing CR_BASE Board Assembly and CR_HEAD Board
Assembly
1. Remove the six screws retaining the wire holder.
2. Disconnect the connectors shown in the following table from the CR_HEAD board assembly.
CAUTION
••••
When connecting and disconnecting the FFC type cables to/from the CR_HEAD
board assembly connectors, always pull or push the cables perpendicularly.
Pulling or pushing them slantwise may damage/short/break the terminals in the
connectors, resulting in breakdown of the on-board devices.
No.
Part name
1
Cartridge heater
2
Thermister
3
Sub tank assembly
No.
Part name
1
Wire holder
2
Wire holder-retaining screw (M3
×
8)
Table 4-6 Connectors to CR_HEAD Board Assembly
No.
Connector No.
# of pins
Colo
r
Connect to
Remark
1
J1
30
White SUB board
Lock type
2
J2
16
White HEAD board
2
2
1
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