PROBLEM
DEFINITION

SOME HINTS TO DEFINE A CAUSE OF THE MOST
COMMON PRINT QUALITY ISSUES

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1. LIGHT SOURCE

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NORITSU
SERVICE
PASSWORD

NORITSU
HS-1800 FILM SCANNER!
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SYMPTOMS

The symptoms of a faulty laser module:

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Please see some examples of photos with visual defects:
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Did you find the similar defect in your picture?

Scan it with a high resolution (600dpi) and send it to us for a free revision.

2. AOM DRIVER

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The symptoms of a faulty AOM driver:

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Attention!

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Image Gallery:

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Did you find the similar defects in your picture?

Scan it with a high resolution (600dpi) and send it to us for a free revision.

A.O.M. Driver Swapping

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Required Tools

How to swap AOM drivers

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Important Notes before swapping:

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Actions after the test:

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3. AOM CRYSTAL


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The symptoms of a faulty AOM crystal:

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Attention!

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4. OPTICAL SURFACES

 

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The symptoms of faulty optical surfaces:


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Attention!

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5. IMAGE PROCESSING PCB

A faulty Image Processing PCB (printed circuit board) and/or any other control boards responsible for the functionality of laser modules may affect the quality of the image.
Laser driver, Laser Control or Image Processing PCB’s have many components carrying out different functions and it is not easy to determine the cause of the malfunction. A lot of problems on PCB’s are from dry/cracked solder joints, especially where different wires connected to the PCB.

The symptoms of faulty Image PCB:

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IN CASE YOU NEED HELP

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