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ML420
Oki ML420 User Manual
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Maintenance
45
4
Pivot the sheet guide forward and gently rest it against the
roller assembly
.
Careful!
If you push the sheet guide too hard against the roller
assembly
, it may dislodge it. If it does, be sure to reseat the
roller assembly before continuing.
3
Gr
asp the sheet guide. Lift it slightly
, then slide it back.
44
46
Table of Contents
Safety
3
Table of Contents
5
Chapter 1: Introduction
7
Printer Features
7
Chapter 2: Helpful Hints
8
Saving Money: Forms Tear-Off
8
Saving Time
8
Internet Support
8
Paper Park
8
Operation Tips
9
Top of Form (TOF)
9
Turning the Platen Knob
9
Controlling Access to the Printer
9
Chapter 3: Using Your Printer
10
Parts Identification: Rear Feed (Continuous Forms)
10
Parts Identification: Top Feed (Single Sheets)
11
Top of Form (TOF)
12
Top of Form (TOF) and Forms Tear-Off
12
Determining if Forms Tear-Off Is off or on
13
Setting Top of Form (TOF): Forms Tear-Off off (Default Setting)
14
Setting Top of Form (TOF)
14
Forms Tear-Off Set to on
15
Temporarily Changing the Top of Form Position
16
Resetting Top of Form to the Factory Default
16
Forms Tear-Off Feature
17
Potential Problems with Software Packages
17
Changing the Forms Tear-Off Setting
18
Manual Forms Tear off
18
Paper Park
18
Changing Paper Paths
19
Single Sheets to Continuous Forms
20
Printhead Gap
21
Print Quality
22
Character Pitch
23
Printer Reset
24
Emulations
24
Chapter 4: Menu Mode
25
Menu Mode Keys
25
Entering and Exiting Menu Mode
26
Resetting the Menu to the Factory Defaults
26
Printing the Menu Settings
26
Changing the Menu Settings
27
Menu Settings Table
28
Explanations of Menu Items
35
Chapter 5: Maintenance
42
Replacing the Ribbon Cartridge
42
Loading Paper
44
Rear Feed
44
Top Feed (Single Sheets)
53
Clearing Paper Jams
55
Rear-Feed Paper Jams
55
Rear-Feed, Repeating Paper Jams
56
Single-Sheet Paper Jams
58
Cleaning the Housing
59
Chapter 6: Troubleshooting
60
General Information
60
Problems / Solutions
61
Appendix A: Parts & Accessories
66
Purchasing Parts & Accessories
66
Replacement Parts
67
Accessories
68
Appendix B: Printer Control Codes
69
IBM Proprinter III Commands
69
Epson FX Commands
72
Oki MICROLINE Standard Commands
75
Appendix C: Specifications
78
Print Speed
79
Graphics Resolution
80
Resident Fonts
80
Environmental Requirements
83
Physical Specifications
83
Electrical Requirements
83
Appendix D: Installation
84
Location
84
Unpack
84
Install the Ribbon Cartridge
87
Power Connection
88
Computer Connections
88
Parallel (LPT): IEEE 1284
88
USB: Specification 1.1 Compliant
89
Loading Paper
89
Testing the Printer
90
Font Sample Test
90
Rolling ASCII Test
91
Hexadecimal Dump Mode
92
Emulations
92
Printer Drivers
92
Loading the OKI Driver
93
Using a Compatible Driver
93
Index
94
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Guide De L'Utilisateur
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Oki ML420 Specifications
General
Brand
Oki
Model
ML420
Category
Printer
Language
English
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