Oki IP-6620 Maintenance Manual page 558

8.10.4 When the interlock is disconnected
When the interlock on the printer side is disconnected, the printer blocks the power output using
two relays on the ACT3 board. Power supply units output the voltage irrespective of the interlock
switch status. The following table shows the units blocked from power supply. For details, see the
power supply schematic diagram in the appendix.
Relay
38 V line relay
24 V line relay
Power system
P36VAR Y motor
X motor
P36VCRG VDD2 (S508 head driving power supply)
Ionizer, automatic print adjustment
P24VAR Capping unit up/down motor
Suction pump/wipe motor
Air release solenoid
OKI Data Infotech Corporation CONFIDENTIAL
Chapter 8 Operation Mechanism
Connected unit
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