Fax Pba/Ncu - Oce 3121 Technical & Service Manual

12 FAX PBA/NCU

J6
(RAM-B)
RAM-A is the page memory. It enables the use of ultra-fine mode. (install
RAM-B if RAM-A, 3 MB has been installed).
SW1 to be used with all bits OFF
SW2 to be OFF first when installing expansion memory. Then, ON after the
work.
LED1 ON when 5V is supplied normally.
612 TSM Océ 3121
J5
SW2
J2
J1
J4
(RAM-A)
LED1
J3
J100
J3
SW1
J2
Location of components
VR1
VR2