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3'
4'
(7)
Use a half-tone document and make a 100% copy on B4 or 8 1/2" x 14" paper in the half tone mode.
Make copies at the max. enlargement ratio and the min. enlargement ratio.
Check the uniformity.
Measure the distances between the copy image lead edge and the copy paper lead edge of the max. enlargement copy and the min. enlargement copy, and compare the two.
Is the uniformity OK ?
NO
Change the installing position of the exposure adjustment plate to adjust the uniformity. 0 ± 1.0 mm ?
NO
Change the Sim50-1 set value A so that the difference is within the specified range.
YES Put the scale to the document reference plate and set in the paper transport direction.
YES
5'
Make a 100% copy with Sim50-1. Set the Sim45 set value to "0." Measure the distance between the copy image lead edge and the copy paper lead edge.
Is the SPF installed ?
NO
Change the Sim50-1 set value B so that the difference is within the specified range. (Zoom model) Change the Sim50-1 set value A so that the difference is within the specified range. (Non zoom model)
YES
0 ± 1.0 mm ?
NO
Is it the zoom machine ?
5
YES
6
(8)-a
YES
Set the Sim50-1 set values A and B to "0."
Is the SPF installed ?
NO
Make copies at the max. enlargement ratio and the min. enlargement ratio.
(8)-a
Make a copy on B4 or 8 1/2" x 14" paper at the max. enlargement ratio and the min. reduction ratio in the document table mode.
YES
YES
NO
Set the Sim50-1 set values A, B, and C to "0."
Use the SPF to make a 100% copy.
Measure the distances between the copy image lead edge and the copy paper lead edge of the max. enlargement copy and the min. enlargement copy, and compare the two.
Measure the distance between the copy image lead edge and the paper lead edge of each copy. L1 = Distance in the max. enlargem ent ratio Distance in the min. reduction L2 = ratio
Measure the distance (L3) between the copy image lead edge and the copy paper lead edge. 0 ± 1.0 mm ? Calculate the Sim50-1 set value from the following formula. C8 = 8.0906 x L3 NO
Change the Sim50-1 set value C so that the difference is within the specified range.
(8)-b
Make a 100% copy in the document table mode and check the lead edge
Calculate the Sim50-1 set value from the following formula. A = 8.243 x (L1 - L2) B = 16.0668 x L2 -7.9661 x L1
Set the Sim50-1 set value.
void area. (Document table mode)
0 +3 mm ? -0 Set the Sim50-1 set values A and B. YES
YES
NO
Change the Sim45-1 set value to adjust the void area.
6
YES
Use the SPF to make a 100% copy and check the lead edge void area. (SPF mode)
Is the SPF installed ?
4
NO
Use a black color document and make a 100% copy on the A4 or 8 1/2" x 14" paper
YES
0 +3 mm ? -0
NO
Change the Sim45-1 set value to adjust the end edge void area.
NO
0 +3 mm ? -0
Change the Sim45-1 set value to adjust the lead edge void area.
