sc364 in mpc2500

[toshiba]

hi friends,
sc364 in mpc2500 Vt high error of black TD sensor. I replaced black development unit, still pbm appears in alterrnative days and gets cleared by turning off and on the m/c. black development counter is 70k. what other possibilities?

[hosennet]

hi friends,
sc364 in mpc2500 Vt high error of black TD sensor. I replaced black development unit, still pbm appears in alterrnative days and gets cleared by turning off and on the m/c. black development counter is 70k. what other possibilities?

1. Check the black, magenta, cyan, or yellow TD sensor connector
and harness between the TD sensor and PCU for damage.
2. Check the drawer connector.
3. Replace the defective PCU.