SERVICE CALL CONDITIONS April 2007 4-40
SC360 D
TD sensor (Vt high) error 1: K
SC361 D
TD sensor (Vt high) error 2: M
SC362 D
TD sensor (Vt high) error 3: C
SC363 D
TD sensor (Vt high) error 4: Y
The Vt value of the black,
magenta, cyan, or yellow TD
sensor exceeds 4.5V for two
counts.
• Black, magenta, cyan, or yellow TD
sensor disconnected
• Harness between TD sensor and PCU
defective
• Defective TD sensor.
1. Turn the machine OFF and ON.
2. Check the black, magenta, cyan, or yellow TD sensor connector and
harness between the TD sensor and PCU for damage.
3. Check the drawer connector.
4. Replace the TD sensor.
5. After replacing the black TD sensor:
• Do SP3801 003-006 to initialize the new black, magenta, cyan, or yellow
TD sensor.
• Execute SP3820 001 to do auto process control manually.
SC364 D
TD sensor (Vt low) error 1: K
SC365 D
TD sensor (Vt low) error 2: M
SC366 D
TD sensor (Vt low) error 3: C
SC367 D
TD sensor (Vt low) error 4: Y
The Vt value of the black,
magenta, cyan, or yellow TD
sensor is below 0.5V for 10
counts.
• TD sensor harness disconnected, loose,
defective
• A drawer connector (located on the rear
of a development unit) disconnected,
loose, defective
• TD sensor defective
1. Turn the machine OFF and ON.
2. Check the TD sensor connector and harness between the T D sensor and
PCU for damage. Replace it if necessary.
3. Check the drawer connector.
4. Replace the TD sensor.
5. After replacing the TD sensor:
• Do SP3801 003-006 to initialize the new black, magenta, cyan, or yellow
TD sensor.
• Execute SP3820 001 to do auto process control manually.