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UP-D2550S (UC,CE)
Table of Contents
Manual Structure
Purpose of this manual .............................................................................................. 3
1. Operating Instructions
.................................................................... 1-1
3. Electrical Alignment
3-1.
Printing Built-in Test Patterns (Stair-Step) ................................................. 3-1
3-2.
Preparations Before Adjustments ................................................................ 3-2
3-2-1.
How to use UP-D2550S Servicing Tool Software ..................... 3-2
3-2-2.
Using the LED Display PDSP2113 (8-749-922-58) .................. 3-4
3-3.
Printing the Built-in Test Pattern ................................................................ 3-7
3-4.
Adjustments When Thermal Head is Replaced .......................................... 3-9
3-5.
Main Service Commands (Excluding Mechanical Adjustments) ............. 3-10
4. Circuit Description
4-1.
Circuit Operations of IF-762 Board ............................................................ 4-1
4-1-1.
Oscillator Circuit ........................................................................ 4-1
4-1-2.
SCSI Interface Circuit ................................................................ 4-2
4-1-3.
DRAM and Memory Control ..................................................... 4-2
4-1-4.
CPU ............................................................................................ 4-3
6. Troubleshooting
6-1.
Electrical System Problems ......................................................................... 6-1
6-2.
Mechanism Troubleshooting ....................................................................... 6-3
Содержание UP-D2550S
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