Oki C531 Maintenance Manual

44951501TH Rev.2
8-20
Oki Data CONFIDENTIAL
8. CONNECTION DIAGRAMS
8.3.2 Checking and indication of the revision number
(1) Print out MenuMap and check to make sure that the firmware revision number has
been updated.
(2) According to the revision number of the downloaded firmware, fill in the box(s) of an
ROM label attached to the position shown in the picture below.
8.3.3 Stamp of maintenance board indication
A designated article number is stamped in the area for maintenance board indication on the
CU board in accordance with the table below.
C531/C331/C321
A designated article number is stamped in the area for maintenance board
indication on the CU/PU board (CLQ) in accordance with the 44856201YA.
1 42 53
Position of the revision number label
Details of the revision number label
1 2 3
Sample 2 Revision 4
Sample 1 Revision 1
45
12345678910111213141516171819202122
Designated
stamping
location
C511/C301
A designated article number is stamped in the area for maintenance board
indication on the CU/PU board (SOP) in accordance with the 44869101YA.
Designated
stamping
location

Oki C531 Specifications

General

Print Technology	LED
Print Speed (Black)	30 ppm
Print Speed (Color)	30 ppm
Duplex Printing	Yes
Operating System Compatibility	Windows, Mac OS, Linux
Weight	22 kg
Connectivity	USB 2.0, Ethernet
Media Size	A4, A5, A6, B5, Letter, Legal, Envelopes
Resolution	Up to 1200 x 600 dpi
Input Capacity	250 sheets