Oki B721

45487001TH Rev.1
iii /
Oki Data CONFIDENTIAL
This manual explains maintenance methods for B721/B731/ES7131/MPS5501b.
The manual has been prepared for use by the maintenance personnel. For operating
methods of B721/B731/ES7131/MPS5501b, refer to the corresponding user’s manual.
Note!
 • Thecontentsofthismanualaresubjecttochangeswithoutpriornotice.
 • Despitethatexhaustiveeffortsweremadeinpreparingthemanualto
make it accurate, it still may contain errors. Oki Data will not hold itself
liable for any damage that results or is claimed to have resulted from repair,
adjustment,ormodicationoftheprinterconductedbytheuserusingthis
manual.
 • Thepartsemployedintheprinteraresodelicatethattheymaybedamaged
if not treated properly. Oki Data Corporation highly recommends that the
maintenance of the printer is undertaken by ODC’s registered maintenance
personnel.
 • Workaftereliminatingstaticelectricity.
PREFACE
PREFACE