Riso RZ2xx Series, Technical Manual

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RISO Inc. Technical Communications
us.riso.com
CHAPTER 11: FB ORIGINAL SCANNING SECTION (600 dpi)
[ 11 - 14 ]
Adjustment
1. FB Read Pulse Motor Speed Adjustment (Image Elongation & Shrinkage in Scanning)
Checks and adjustment
(1) Set A3-size papers on the paper feed tray and place Test Chart No.11 on the stage glass. Make a master
and print.
(2) Lay the printed paper on top of the test chart original to check that the image elongation and shrinkage,
if exits, is within plus/minus 1.4% compared from the top to the 350mm line of the test chart original.
(3) If the elongation or shrinkage is over the specified range, make an adjustment using Test Mode No. 382
(FB Scanning Speed Adjustment).
Make sure that master-making elongation/shrinkage adjustment is already made prior to this scanning
adjustment.
2. FB Scan Start Position Adjustment
Checks and adjustment
(1) Set A3-size papers on the paper feed tray and place Test Chart No.11 on the stage glass. Make a master
and print.
(2) Check the prints and confirm that 4mm plus/minus 2mm of the scaled line on top of the test chart is
erased on the prints (the scanning is omitted for this distance).
(3) If the scanning start position is out of the specified range, make an adjustment using Test Mode No. 381
(FB Scan Start Position Adjustment).
3. FB Horizontal Scan Position Adjustment
Checks and adjustment
(1) Set A3-size papers on the paper feed tray and place Test Chart No.14 on the stage glass. Make a master
and print.
(2) Look at the master made on the print drum. Confirm that all the “e” images are made on the right and left
of the master on the print drum.
(3) If any of the “e” images are omitted, make an adjustment using Test Mode No. 380 (FB Horizontal Scan
Position Adjustment).