Toshiba e-STUDIO500P manual Xx Fan service check, Main fan, Cartridge fan service check

927.xx Fan service check

927.xx can be used for the main fan or the cartridge fan.

•Main fan—927.00, 927.01, and 927.03 through 927.07.

•Cartridge fan—927.02

Main fan

Service tip: The main fan runs at full speed at the end of POR or when the printer is printing. It will only run half speed when the printer is in the Ready state and not printing.

	FRU	Action
1	Main fan	Check the main fan to make sure it is plugged into J4 on the system
		board. If the fan cable id correctly connected to J4, check the cable
		and the cable connector for any signs of damage. If damaged,
		replace the main fan assembly. See “Main fan removal” on
		page 4-56. If undamaged, go to step 2.
2	Main fan	Turn the printer off and check the main fan for any signs of blockage
		of the fan blades. If there is any sign of blockage, remove the
		blockage.
3	Main fan blades turn during	Measure the voltage at J4-1 on the system board. The voltage should
	POR, then stop. Fan will not	measure approximately +2.5 V dc. If incorrect, replace the main fan.
	run when trying to print.	See “Main fan removal” on page 4-56.
	Main fan	If that does not fix the problem, replace the system board. See
	System board	“System board and inner shield removal” on page 4-76.
4	Main fan blades do not turn	Measure the voltage at J4-3. The voltage should measure +14.4 V dc
		with the fan running full and approximately 7.0 V dc when running
		half speed. If incorrect, replace the main fan. See “Main fan
		removal” on page 4-56. If this does not fix the problem, replace the
		system board. See “System board and inner shield removal” on
		page 4-76.

Cartridge fan service check

Error code 927.02 indicates a problem with the cartridge fan.

	FRU	Action
1	Cartridge fan	Check to make sure the cartridge is plugged into J5 on the system
		board. If properly plugged in, go to step 2.
2	Cartridge fan	Check for any signs of blockage in the fan. If any is found, remove
		and retry the printer. If no problem is found, go to step 3.
3	Cartridge fan	Replace the following FRUs in the order shown:
	System board	•	Cartridge fan.
		•	System board. See “System board and inner shield removal”
			on page 4-76.

2-76Service Manual