Canon NP2120 Service Manual page 160

regardless of damage or wear, since they can affect the very operation of the machine when they fail. Replace
as of July 1992
1
7 Developing roll (rear; developing 500,000
assembly)
Note:
The above are estimates only and subject to change to reflect data from the field.
C A N O N NPZl20/2MO AN.I OEC. 1992 PRINTEO IN JAPAN [IMPRIME AU JAPUNI 6 - l