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Control panel messages
7
1
Switch SW5 monitors the closing of the printer’s upper rear door (this
door allows you to access the fusing assembly). When the fusing door
is closed, a tab on the rear door pushes a door switch actuator that runs
along the left side of the printer and closes SW5.
WARNING!
High voltages occur during operation. Closing the rear door and the
upper and middle front drawers closes SW4 and SW5, enabling +24B
Vdc. When either drawer or the rear door is open +24B Vdc is
disabled. This safety feature protects the operator from high voltages.
1
Close the upper rear door.
2
If the message persists, remove the printer’s left-side cover and
inspect the mechanical linkage of SW5 and the lever.
3
Refer to the wiring diagram and verify that all connections (J103 of
the DC controller PCB and SW5) are firmly seated.
4
Verify that both the front upper and middle drawers are firmly closed;
closing these drawers also closes SW4.
SW2 indicates if the printer’s toner cartridge access door is closed.
When the toner cartridge door is closed a lever is pushed down. This in
turn rotates a pivot forward, opening the top cover switch (SW2).
1
Close the top cover.
2
If the message persists, remove the printer’s top cover and verify all
mechanical linkages associated with SW2.
3
Verify that the connector on J1003 of the DC controller PCB is firmly
seated.
Close upper rear door
Close top cover
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