Sony C9000 Printer User Manual


 
41388601TH Rev.2 34 /
2.9 Cover Opening
When the top cover of the printer is open, the cover open microswitch turns opens to cut off the high-
voltage power supply, and outputs which are not less than 32V. At the same time, the CPU receives
CVOPN signals indicating the status of the microswitch and performs cover open operations.
Top cover microswitch
Front cover
microswitch
Duplex unit
Duplex (16P)
FCOVER(3P)
High-voltage power supply board
High-voltage power supply unit
71K-PCB
CPU
66577
+32V
+32V
+32V
V71-PCB
P7, 6
P10, 5
COVOPN (2P)
HVOLT (16P)
detect
circuit
Detection
Circuit
detect
circuit