TA Triumph-Adler DC 2023 - Manual (Page 71)

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OPTIONAL EQUIPMENT
(11) Key counter
The key counter determines the number of copies that have been made. It is useful
for copier centralized management on a department or even company level.
● Setting the key counter
Insert the key counter securely into the key counter opening.
* When the key counter function is used, copies cannot be made unless the key
counter is inserted into the copier. If the key counter is not securely inserted into
its opening, the message "INSERT KEY COUNTER." will appear.