Adjustment Of The Aperture Blades - Minolta EP1054 Service Manual

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 DIS/REASSEMBLY, ADJUSTMENT
98.04.13

(5) Adjustment of the Aperture Blades

Requirement
• There should be no dark or light bands running in the feeding direction on copies pro-
duced. (Adjust to obtain the mean image density for all areas.)
Important
• If dark and light bands running in the feeding direction occur on copies, make this adjust-
ment after checking the following.
1. The Drum Charge Corona Wire, Grid Mesh, and Image Transfer Corona Wire are free
of dirt.
2. The surfaces of the Mirrors and Lens are free of dirt.
3. The surfaces of the Exposure Lamp and Main Erase Lamp are free of scratches and
dirt.
4. The Cleaning Blade is free of waviness.
1139D023AA
1139D024AA
1. Make a copy under the following control panel set-
tings.
Original : A3 or A4 crosswise,
11" × 17" or 11" × 8-1/2" crosswise
Paper : A3 or A4 crosswise,
11" × 17" or 11" × 8-1/2" crosswise
Magnification : 100%
ratio
Exposure : Manual (setting convenient for
check)
2. Remove the Original Glass.
3. Turn the copy on the Copy Tray around as shown to
reverse the leading and trailing edges and align it
with the Aperture Blades.
4. Adjust to obtain the mean image density for all
areas of the copy.
NOTE
To make the image darker, move the Aperture Blade
toward the Auxiliary Reflector.
To make the image lighter, move the Aperture Blade
away from the Auxiliary Reflector.
D-58