Troubleshooting
Engine Test
5. On the rear of the Fusing Assembly, use a pencil or flat-blade
screwdriver to press the flag mechanism for the Exit Paper
Sensor (PS3) in just until it is about flush with the face of
the fuser (see Figure 7-6).
Note
Do not push the PS3 flag in more than about
1/8 inch (3 mm). If PS3 is pressed in too far, the
printer will register a power-on jam and the
Engine Test will not print. If this occurs,
decrease the depth of the PS3 flag, power-cycle
the printer, then retry the Engine Test.
6.
‘7.
8.
—
Plug the ac power cord into the printer.
Exert downward pressure on the the toner cartridge (through
the light-blocking paper) while pressing the Engine Test button
SW301 . Use a pencil or other non-metallic object to reach
through the access hole in the Gear Train plate (similar to that
shown in Figure 7-4).
If the single page Engine Test does not print, power-off the
printer, check the Top Door Plunger to be sure it is held all the
way down (step 4), and adjust the depth of the Exit Paper
Sensor flag as described in step 5.
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