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Oki B721 Maintenance Manual

Oki B721
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Oki Data CONFIDENTIAL
45487001TH Rev.1
4-37 /
4. Maintenance menus
Ten characters to enter, edited to eleven characters,
preceded by single-byte zero (0)
(0AE01234567)
Revision number
(2) Serial number information setting (applicable Maintenance Utility operation
manual, section 2.4.1.1.10.3)
A SAP serial number is assigned to the printer. The number is placed at the top
of the serial number label of the printer, consisting of total twelve characters --
two characters that indicates a production place, two characters that indicates
a month and year, six characters that indicates a manufacture number
(sequence number) and two characters that indicates revision number.
• Fortheprinterserialnumber,“PUserialnumber”shouldbeselected,andfor
the output mode, “Display the serial number only” should be selected.
• The PU serial number is ten characters from the SAP serial number.The
rest two characters are the revision number.
ThePUserialnumberissetinthePUserialnumbersettingwindow
described in section 2.4.1.1.10.3 of the Maintenance Utility operation manual
in the section 2.4.1.1.10 about Board setup functionality.
ToassignaPUserialnumbertotheprinter,inthePUserialnumber
setting window, enter eleven characters, i.e. ten characters preceded by
a singlebyte zero (0) (note a read PU serial number is ten characters). As
shown in the following serial number label example, the ten characters are
the printers the SAP serial number excluding the revision number.
Serial number label example
• The PU serial number isshown at Printer SerialNumber in theheader of
the printers configuration report (a Menu Map) output from the printer. After
the PU serial number is changed, it can be checked by printing the report
from the printer.
(3) Switching to Shipping mode (applicable Maintenance Utility operation manual,
section 2.4.1.1.10.4)
When the PU/CU board is replaced with a new one, the printer is placed in the
Factory mode. Switch the printer to the Shipping mode.
• Toswitch,use theFactory/Shipping mode windowdescribedinsection
2.4.1.1.10.4 Factory/ Shipping Mode in the section 2.4.1.1.10 about board
setup functionality of the Maintenance Utility operation manual.
Note! Replacing the EEPROM (the PU control board) with a new one clears life
information about consumables, including the toner and image drum. Note
that, until the consumables are replaced, this makes differences between
their displayed consumed and consumed lives. Such life information cleared
is as shown below. Upon replacement of the consumables, the information
(counts) except the total number of printed sheets are cleared, and differences
between the counts and consumed lives of the consumables are cleared.
Item Description Count description
Fuser unit Fuser unit life count. A value converted on an A4/
Letter page basis from the
number of pages printed to
date after instrallation of a new
fuser unit.
Image drum black Imgage drum life count A value converted on an A4/
Letter page basis from the
number of pages printed to
date after instrallation of a
Print Cartridge or a new image
drum.
Total number of
printed sheets
Printer life count. The total number of sheets
fed.
*1
Print black Number of pages
printed with an image
The number of pages printed
after installation of a Print
Cartridge or a new image
drum.
*1
*1 Two counts apply to duplex print.

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Oki B721 Specifications

General IconGeneral
Print TechnologyLED
Resolution1200 x 1200 dpi
Processor533 MHz
Memory256 MB
ConnectivityUSB, Ethernet
Duplex PrintingStandard

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