Oki 24DX manual 212, Yes

4.3.2Troubleshooting Flow

• ( JAM error )

Paper Input Jam

• Does paper jam at the inlet when the power is turned on?

• YES Is the paper located above the inlet sensor lever?

▼

• NO

• YES	Remove the paper.
▼
• NO Is the inlet sensor lever operating normally?
• NO	Replace the inlet sensor lever.

▼

• YES Clean the inlet sensor 1 on the power supply unit (High Voltage) or replace the power supply unit (High Voltage).

(See Figure 2.3 Sensor Layout Diagram)

When the paper is fed in, does the paper input jam occur?

• YES Is the paper being fed to above the inlet sensor lever?

▼

• NO

• YES Is the inlet sensor lever operating normally?

• NO Replace the inlet sensor lever.

▼

• YES Clean the inlet sensor 1 on the power supply unit (High Voltage) or replace the power supply unit (High Voltage). (See Figure 2.3 Sensor Layout Diagram)

▼

• NO Replace the hopping roller shaft assy or paper cassette.

Is the hopping roller shaft rotating?

	• YES	Set the paper properly.
▼
• NO	Is the stepping motor turning?
	• YES	Replace the one-way clutch gear on the hopping roller shaft
		assembly.
▼
• NO	Is the connector cable being connected properly?
	• NO	Connect the connector cable properly.
▼	Check the coil resistance (approx. 6.7Ω) of the stepping motor.
• YES
	Is it normal?
	• NO	Replace the stepping motor.
▼	Replace the Board-BBB.
• YES

40930701TH DRAFT Vesion 212 /