Minolta CF910 Service Manual page 463

Step
11 Is there contact and continuity between
the Fixing Bracket and the end of the shaft
at the front end of the Developing Unit?
12 A. Open "Developer Change Mode" and then "ATDC Sensor Adjust (Auto)." Turn
ON Cyan and press the Start key.
B. Check the ATDC output value.
13 Does the ATDC Sensor output value show
10% or less?
14 When comparing the color of the devel-
oper in the Developing Unit with that of the
starter, is the developer color apparently
darker?
15 Is the ATDC Sensor window seriously
contaminated with developer?
16 Is there contact and continuity between
the Fixing Bracket and the end of the shaft
at the front end of the Developing Unit?
Check Item
T-96
Result
YES Change the ATDC Sensor and
developer. ("Developer
Change Mode," "Gradation
Adjust")
NO Change the Developing Unit.
("Developer Change Mode,"
"Gradation Adjust")
NO Change the ATDC Sensor and
developer. ("Developer
Change Mode," "Gradation
Adjust")
YES Check the wiring between
PWB-I and M10 and, if it is
intact, change M10.
NO Change the Developing Unit.
("Developer Change Mode,"
"Gradation Adjust")
YES Change the ATDC Sensor and
developer. ("Developer
Change Mode," "Gradation
Adjust")
NO Change the Developing Unit.
("Developer Change Mode,"
"Gradation Adjust")
Action