240
, Drum Section
chap.4
(2) Adjusting Reduction / Enlargement
1. Adjusting the Longitudinal R / E on the
Platemaking Side
Adjustment procedure
1) Set the HELP mode.
Turn the power on with the speed keys "<" and
">" held down.
2) Set to H-30 (Test pattern printing mode). Press
the PRINT key with the 3 and 0 keys held
down.
3) Set the printing darkness to standard, perform
platemaking and print A3 (DP-43E/S) or B4 (DP-
33E/S, 31E/S) paper. No need to place the docu-
ment.
Standard values:
¡Check that A section of the printed test pattern is
200 ± 0.5mm.
If the clearance is not the standard value:
1) If not, adjust with the H-22.
2. Adjusting the Longitudingl R / E on the Reading
Side
Before adjustment
: Adjust the longitudinal R / E on the
reading side after the longitudinal R
/ E on the platemaking side.
Adjustment procedure
1) Prepare a basic document as shown in the figure.
Draw a line at the position 30mm from the top
end of the A3 (DP-43E/S) or B4 (DP-33E/S,
31E/S) paper and at the position 300mm from
the above line.
2) Place the document on the document table to per-
form platemaking and printing.
Standard values:
¡Compare the size of A section of the printed
image with that of the basic document. Check
that the difference of the size is ±2.0 mm.
If the clearance is not the standard value:
1) If not, adjust with the H-24.
IMPORTANT
HELP mode H-30 \ see p.334
HELP mode H-22 \ see p.326
HELP mode H-24 \ see p.328
DP-43E/S
DP-33E/S,31E/S
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