EN Control panel messages 11
1
CLOSE UPPER REAR DRAWER
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.
1. Close the upper rear drawer.
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 all connections (J103 of the
DC controller PCB and to SW5). Verify they are firmly seated.
Verify that both the drum and ITB drawers are firmly closed; closing
these drawers also closes SW4.
Note
Closing the rear door, the drum drawer, and the ITB drawers closes
SW4 and SW5. When either of these switches is open, the +24 V
supply is disabled. This safety feature protects the operator from any
high voltages.
CLOSE TOP COVER
SW2 indicates whether the printer’s toner access cover is closed.
When the toner access cover 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 assembly cover
and verify all mechanical linkages associated with SW2.
3. Verify that the connector on J1003 of the DC controller PCB is
firmly seated.
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