Sony C9000 service manual 109

2-2 Paper Input Jam (Multipurpose Tray (MT))

•Does the paper jam occur immediately after the printer is powered on?

•	Yes	Is the paper jammed at the entrance cassette sensor or the entrance MT sensor ?
		Yes	Remove the paper jam.
▼	A
	No	Does the lever of the entrance MT sensor operate normally?
•
		No	Replace the defective sensor lever.
▼	Yes	Does the entrance MT sensor work properly?
•
		(Operate the sensor lever and confirm that the sensor works properly with the signal on the
		FSENS connector pin on the engine board (K73 PWB).)
		Pin 2: Entrance MT sensor
		No	Check the connection of the signal cable, or replace the sensor board (R71 PWB).
▼	Yes	Check the signal cable connection, or replace the engine board.
•
▼		Does the paper jam occur immediately after paper is fed?
• No
•	Yes	Does the paper reach the entrance MT sensor ?
		Yes	Go to A .

▼

• No

▼

• No

• No

Replace the multipurpose tray assembly.

Does the registration motor rotate properly?

Is +32V supplied to the POWER connector Pins 7~10 on the engine board? No Replace the low-voltage power supply unit.

▼	Check the connection of cables, or replace the engine board.
• Yes
▼	Go to 2-3 Paper Feed Jam.
• Yes

41388601TH Rev.2 109 /