Announcement about checking the color sensor service label
value on installation of the device
The density may not be adjusted within specification even after auto gradation adjustment has been executed during installation.
The color sensor detection sensitivity is adjusted on the combination of the main station  and the sub-station  at the factory.
The calculated adjustment value is put down to the service label and the label is affixed to the sub-station . At the same time,
the adjustment value is entered to DCON of the main station , and both of them are shipped in sets [A].
Hence if a main station and a sub-station is installed in field in a combination that is different from that at the time of shipment
from the factory [B] , the adjustment value of the color sensor detection sensitivity that was entered to the main station  may
not be suitable for the auto gradation adjustment processing, and the aforementioned symptom may occur.
Perform the work following the installation procedure.
[Note] The installation procedure in the service manual has been revised with version 2.0 issued in February 2016 and the versions
1) In the step "Supplying the Starter" of the installation procedure in the service manual, put down the value of the following 12
items in the service label which is put on the sub-station. Service label is located near [a].