Oki MB472w - Page 6

45762101TH Rev.1
vi /
Oki Data CONFIDENTIAL
5. Periodic Maintenance ............................................................5-1
5.1 Cleaning ........................................................................................................... 5-2
5.2 Cleaning of LED lens array ..............................................................................5-3
5.3 Cleaning the Feed rollers and the Retard roller ...............................................5-4
5.4 Cleaning the MPT Feed rollers ........................................................................5-6
5.5 Cleaning Rollers in the ADF .............................................................................5-8
5.6 Cleaning the Document Glass .........................................................................5-9
6. CONNECTION DIAGRAMS ..................................................6-1
6.1 Connection diagram ......................................................................................... 6-2
6.2 Board Layout .................................................................................................... 6-4
6.3 Resistance value ............................................................................................ 6-15
6.4 Firmware Information .....................................................................................6-17
6.4.1 ROM control numbers ..............................................................................6-17
6.4.2 Instruction of FW update ..........................................................................6-17
6.4.3 Checking and indication of the revision number .......................................6-18
6.4.4 Stamp of maintenance board indication ................................................... 6-18
7. APPENDIX .............................................................................7-1
7.1 List of Initialized range .....................................................................................7-2