Prepared By: A. Posner
July 19, 1994

FCO #19478 VLSI Screen Pro - Screen Processor LBX Assy

Parts Affected 503D36302S

Replace the LBX Board with one having comp level M when:

1. Errors or pattern on film while using the class screen option
   
2. SFL communications problems (without regard to class screen setting )

Explanation of Conditional Change
Reason for Change
Description of Change
Change Procedure
Test Procedure
Parts List
Material Disposition
Logistics

Explanation of Conditional Change

To be performed in cases of :

1. Errors or pattern on film while using the class screen option
   
2. SFL communications problems (without regard to class screen setting )

FCO Kit part no. : 510F19478                    
Effectivity from serial no. :                    
Change compatibility level from L to M

Reason for Change

1. Sometimes while using class screen "yes" the following message appears : " VSP error message during prepare plot".
   
   
2. Possible message of " Timeout error in data transfer".

Description of Change

The LBX board is replaced with one having comp. level M.        

Change Procedure

Replace the LBX board with the supplied one comp. level M.   

Test Procedure    

1. Check communication between the Host and the Plotter.    
   
   
2. Expose and make sure that the problem with the board disappears.

Parts List

The kit for performing this FCO consists of:

Material Disposition

The replaced board should be sent back to STIL for upgrade.   

Logistics

Material for performing this FCO will be shipped according to orders from the subsidiaries.