36 Chapter 1 Troubleshooting control panel messages EN
54.1 PRINTER ERROR
(continued)
CAUTION
54.1 errors can be caused by damaging the thermistor while clearing
fuser jams.
4 Make sure there is not a fluctuation in the power supply to the
printer. Check that the electrical specifications are met.
5 Replace the low-voltage power supply.
54.2 PRINTER ERROR
An error 54.2 indicates that a problem exists with the carousel
assembly. Either the carousel is not rotating or the sensor has failed.
Drive motor (M3) provides drive for the toner cartridge carousel. If
motion is not detected, a 54.2 error appears. M3 is a 6-phase stepping
motor and receives its drive signal from J203 of the developing PCB.
Photosensor PS10 monitors “movement” (and the position) of the
toner cartidge carousel. Different width tabs (four tabs, one for each
cartridge) on the left-end of the carousel housing pass through PS10
to provide positioning information. The black toner cartridge tab is the
home position. Toner cartridge position within the carousel is
monitored by PS11. If PS11 fails or is improperly connected, a 54.2
error appears. Another indicator of this is that the carousel starts to
rotate then stops immediately. A 54.2 error message can also occur if
the sensor is installed backwards.
1 Turn the printer off and then on to reset the printer.
Open the color toner door and look for an obstruction. If necessary,
remove the toner cartridges individually by manually releasing the
carousel brake and rotating the carousel around to each cartidge
position and removing the cartridges. Turn the printer off and on to
reset the printer.
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