Sharp AR-M316 Maintenance Reset

[frodo]

Hi guy's, i'm looking for info on how to reset the maintenance count on a sharp ar-m316 or if possible a service manual
any help would be appreciated
thanks

[efe311]

TO RESET MAINTENANCE COUNTER FOLLOW THAT
#/P key (program) ON --Asterisk (*) key ON --CLEAR key ON -- Asterisk (*) key ON
P*C*

THE SIM 24 PRESS START & SUB CODE 4 PRESS START