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Manuals
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Oki Manuals
Printer
OKIPAGE 12i Series
Service handbook
Oki OKIPAGE 12i Service Handbook page 40
Digital led printer
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Also See for OKIPAGE 12i
:
Maintenance manual
(210 pages)
,
Troubleshooting manual
(169 pages)
,
User manual
(99 pages)
Oki
OKIPAGE 12i
Service Handbook
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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The printing operation timing chart is shown below.
CLOCKI
LOADI
DATAI3~0
STRB1I-N
STRB2I-N
STRB3I-N
STRB4I-N
First line printing data sent
The printing operation is carried out in normal mode. Under ordinary circumstances such as when
the power is turned on or when LOADI signal level is low, the normal mode is enabled.
The printing operation is carried out in the following sequence. First, the printing data DATAI3
through DATAI0 are stored, sequentially shifted, in the shift registers of the LED drivers, by the
printing data synchronous clock, CLOCKI. Then the printing data stored in shift registers are
latched by the high level pulse of LOADI. The latched printing data turns the LEDs on by STRB1I-
N through STRB4I-N and actuates printing.
Normal Mode Printing Timing Chart
2 - 23
Second line printing data sent
First line printing
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Chapters
Table of Contents
4
LCD Message Troubleshooting
106
Table of Contents
170
Table of Contents
192
Table of Contents
Troubleshooting
TROUBLESHOOTING PROCEDURES
92
Troubleshooting Tips
93
Preparation for Troubleshooting
94
Troubleshooting Flow
95
LCD Message Troubleshooting
106
TROUBLESHOOTING
183
Troubleshooting Method
184
TROUBLESHOOTING
202
Troubleshooting Method
203
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