Duplexer Fan Control; Duplexer Fan Failure Detection; Table 1-21 Duplexer Fan; Figure 1-63 Duplexer Fan - HP LASERJET ENTERPRISE M725dn Troubleshooting Manual

Duplexer fan control

The duplex unit has one fan for preventing the temperature from rising in the duplex unit. The duplex
controller determines if the duplex fan has failed and notifies the formatter through the DC controller
when the fan fails to operate for a specified time during start-up.
Figure 1-63
Table 1-21
Fan
FM1 Duplex fan

Duplexer fan failure detection

The duplex controller determines if the duplex fan has failed and notifies the formatter when the fan
locks for a specified time during start-up.
ENWW
Duplexer fan
Duplexer fan
Cooling area
Duplexer inside
Duplex fan
Type
Exhaust
Speed
Full
Duplexer
87