Advertisement
Adjustment
1. AF Scan Start-Position Adjustment
Checks and procedure
(1) Place A3 size printing paper on the paper feed tray. Make 1 to 1
size master using test chart No.11 on the AF unit, and make
prints.
(2) Examine the prints to confirm that the scanning start position is at
5 mm ± 2 mm on the top vertical scale on the test chart No.11
printed image.
(3) If the scanning start position does not fall within above specification,
make an adjustment using test mode No.3073 (AF Scan Start
Position Adjustment).
2. AF Horizontal-Scan Position Adjustment
Checks and procedure
(1) Place A3 size printing paper on the paper feed tray. Make 1 to 1
size master using test chart No.14 on the AF unit.
(2) Examine the master created on the print drum, and confirm that
the [e] images on the left and right of the original is not missing on
the created master.
(3) If not all the [e] images are made on the master, make adjustment
using test mode No.3072 (AF Horizontal Scan Position Adjustment).
3. AF Read Pulse-Motor Speed Adjustment (Elongation & Shrinkage)
Checks and procedure
(1) Place A3 size printing paper on the paper feed tray. Make 1 to 1
size master using test chart No.11 on the AF unit, and make
prints.
(2) Lay the print on top of the original to confirm that the image
elongation or shrinkage is within ±1.0% at the 350-mm line of the
test chart image.
(3) If the elongation and shrinkage does not fall within this specification,
make an adjustment using test mode No.3074 (AF Scanning Speed
Adjustment).
Prior to adjustment, adjust the image elongation and shrinkage by
first adjusting the write pulse-motor speed (see chapter 15).
DANKA AUSTRALIA PTY. LTD.
[ 13 - 23 ] - Rev. 0.2
CHAPTER 13: Simplex AF Unit
Test chart No.11
Test chart No.14
Test chart No.11
RZ9 Series
1351
1352
1350
Advertisement
Chapters
