Oki Microline 390, Maintenance Manual, Page: 3 / 174

TABLE OF CONTENTS
1.
CONFIGURATION __________________
1.1 Standard
Configuration
I
-
I
1.2 Options . . . . . . . . . . . . . . . . .
1-2
1.3 Specifications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4
1.3.1
Printspecifications . 1-4
1.3.2 Paperspecifications
1-5
1.3.3 Physical specifications
1.3.4 Power requirements
1.3.5 Environmental conditions
1.3.6 Noise 1-7
1.3.7
Agency
approvals __
l-7
2. INSTALLATION PROCEDURE __
2.1 Unpacking 2-l
2.1.1 Unpacking the packing box
Unpackingtheprinterunit 2-2
2.1.3 Unpackingtheaccessories 2-3
2.2 Installation 2-4
2 - 4
2.2.2 Removing the shipping retainer
2-6
2.2.3 2 - 7
2.2.4 Connectingcables 2-8
2.2.5
Installingpaper 2-9
2.2.6 Poweringon 2-10
2.2.7 Rolling ASCII test pattern
3. THEORY OF OPERATION __
3-1
3.1 Electrical Operation
3.1.1 General 3-1
3.1.2 Microprocessor and its peripherals circuits
3-1
3.1.3 Initialization
3-5
3.1.4 Interfacecontrol 3-5
3.1.5 Printhead drive circuit
3-6
3.1.6 Spacing drive circuit
3-7