44951501TH Rev.2
iii /
Oki Data CONFIDENTIAL
This manual explains the maintenance methods for the C301dn, C321dn, C331dn, C511dn
and C531dn printers.
The manual has been prepared for use by the maintenance personnel. For how to operate
the C301dn/C321dn/C331dn/C511dn and C531dn printers, refer to the corresponding user’s
manual.
These printer names may be given as follows in this manual.
C301dn
C301
C321dn
C321
C331dn
C331
C511dn
C511
C531dn
C531
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 repairs,
adjustment, or modifications of the printers conducted by the users using
this manual.
• The parts employed in the C301dn, C321dn, C331dn, C511dn, and C531dn
printers are so delicate that they may be damaged if not treated properly.
Oki Data Corporation highly recommends that the maintenance of the
printers is undertaken by ODC's registered maintenance personnel.
• Work after eliminating static electricity.
PREFACE
PREFACE