88 Chapter 3 - Troubleshooting Q1342-90910
Location of ECU Connectors
Figure 61. HP LaserJet 1000 ECU PCB
J203
Table 14. ECU connectors
Ref. Description Remarks
SW301 Door-open detection switch Microswitch
J301 Toner cartridge high-voltage connector Connection to developing cylinder
J304 Toner cartridge high-voltage connector Connection to primary charging
roller
J305 Formater connector Spade connector (black wire)
J210 Output sensor 3-pin connector
J211 Paper feed sensor 3-pin connector
J206 Fuser assembly I/F 4-pin connector
J203 Solenoid 2-pin connector
INL 101 Power cord see “Accessories” on page 93.
J102 Fuser assembly power 3-pin connector
FH101
FH102
ECU PCB fuse
Use only the same type and rating
when replacing the ECU PCB fuse.
J401 Motor Harness is soldered to the PCB.
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