SHARP PCE017 Technical Report
Date: Jan. 22, 1998
Copier Z20 etc.
[Service Information]
No. : PCE-017
Correction of service manual
1. Apllied model: Z20/21/23/25/26/27
2. General: Since there is an error in the service manual of the above model, it is corrected.
3. Content: In Item 1-2 Void area and image loss of [7] Operation Instruction in the Service Manual, the
specified values of the void area and image loss are corrected as follows.
[7] OPERATIONAL DESCRIPTIONS
1. Optical system
1-1. Optical system outline
Light source: Fuse bulbs are used as the light source. Eight
fuse bulbs are arranged in series on the PWB.
The temperature fuse is also installed on the
PWB. The copy lamp also has the function as
the discharge lamp to attenuate the potential
on the drum.
Lens: A selfoc lens is employed.
AE sensor: A photo sensor is employed to read document
density for improving maneuverabillty and sta-
bilizing picture quality.
SHARP CORPORATION Printer and Scanner Division
1/2
Orange
C
Z-21/26
[7] OPERATIONAL DESCRIPTIONS
1. Optical system
1-1. Optical system outline
Light source: Fuse bulbs are used as the light source.
Eight fuse bulbs are arranged in series on
the PWB. The temperature fuse is also installed on the PWB. The copy lamp also has
the function as the discharge lamp to attenu-
ate the potential on the drum.
Lens: A selfoc lens is employed.
AE sensor: A photo sensor is employed to read docu-
ment density for improving maneuverabillty
and stabilizing picture quality.
2/2
Loading...