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IMAGE TEST MODE
10 February 2005
4.3 IMAGE TEST MODE
4.3.1 OVERVIEW
The SBU, BICU, and LD board have the function that prints out their test pattern. It
is useful to find the defective board when the image data problem is occurred.
4.3.2 VPU TEST
The SBU has the VPU test pattern. To make sure the scanner VPU control is
functioning, output the VPU test pattern with SP4-907.
SP4-907-1: VPU Test Pattern: R
SP4-907-2: VPU Test Pattern: G
SP4-907-3: VPU Test Pattern: B
4.3.3 IPU TEST
The BICU board has the IPU test pattern. To make sure the image processing is
functioning, output the IPU test pattern with SP4-417.
4.3.4 GAVD TEST
The LD board has the GAVD test pattern. To make sure the printing control is
functioning, output any test pattern with SP5-955.
This test pattern includes the pattern for image adjustment such as registration,
blank margin, laser beam pitch, etc.
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