2HA/2HB
1-2-12
8. Connect the 4-pin connector of the key 
counter to the key counter wire.
9. Engage the projection of the key counter 
mounting plate with the aperture of the right 
cover.
10. Secure the key counter cover and the key 
counter mounting plate together with the 
copier using a M4 x 40 screw.
11. Refit the rear cover.
Figure 1-2-14
12.  Insert the key counter into the key counter 
socket assembly.
13. Turn the power switch on and enter the 
maintenance mode.
14. Run maintenance item U204 and select 
“Cnt”.
15. Exit the maintenance mode.
16. Check that if the key counter is removed, 
“U1” is displayed in the copy quantity dis-
play.
17. Check that the counter counts up as copies 
are made.
Key counter wire
4-pin connector
Aperture
Key counter 
cover
Key counter mounting 
plate (2C960100)
M4 x 40 screw 
(B1B54400)
Projection