Oki B721 Maintenance Manual

45487001TH Rev.1
3-11 /
Oki Data CONFIDENTIAL
3. Component replacement
3.2.11 HV-Board / Motor-FAN
(1) Remove the Cover-Rear-Blind. (Refer to 3.2.3)
(2) Remove the Cover-Side-L. (Refer to 3.2.4)
(3) Remove the three screws (silver)
①
and the two screws (black)
②
, disengage
the claw, and remove HV-Board
③
. Be careful not to lose the Spring-Contact
④
.
(4) Disconnect all cables from the HV-Board
③
.
(5) Remove the two screws (silver/28mm)
⑤
, and remove the Motor-FAN
⑥
.
Note! 1. Be careful to install the Motor-FAN
⑥
in the proper direction.
④
×
5
①
②
②
③
⑤
⑥
Claw
3.2.12 LED Assy
(1) Remove the ID unit. (Refer to 3.2.1)
(2) While pushing the LED Assy
①
in the direction of the arrow (a), unhook the part
A by pulling it in the direction of the arrow (b).
(3) Remove the LED Assy
①
, and disconnect the FFC cable from it.
A
a
b
①

Oki B721 Specifications

General

Print Technology	LED
Resolution	1200 x 1200 dpi
Processor	533 MHz
Memory	256 MB
Connectivity	USB, Ethernet
Duplex Printing	Standard