B. Laser Scanner Section - Sharp AR-280 Service Manual

(8) Toner density adjustment
(Auto developer adjustment)
This adjustment must be performed in the following case:
·
When new developer is supplied.
1) Execute SIM 25-2.
2) The adjustment is automatically made with the toner density sen-
sor output value displayed. After 3 minutes from starting stirring,
the toner density sensor is sampled 16 times, and the average
value is stored as the toner density adjustment value.
* When new developer is supplied, clear the developer counter
with SIM 24-5.

B. Laser scanner section

(1) Horizontal image distortion adjustment
1) Execute SIM 64-1, and print the pattern of SQUARE from the
manual feed tray.
(A: 22 E: 1)
(AR-250/280/281/285/286/287/335/336/337)
(AR-405/407)
(AR-501/505/507)
Set items A: Self print pattern
B: Density level
C: Setting of the number of self print sheets
D: Density mode
1 Auto
2 Text
E: Cassette selection
1 Manual feed
2 Upper cassette
3 Lower cassette
4 Desk upper cassette
F: Duplex print selection
1 Simplex
2) Obtain value a of the printed sheet.
a
θ
Paper exit direction
3) Turn the adjustment handle to adjust according to the value a.
AR-280/285/335
6 – 7
3 Text/Photo
4 Photo
5 Desk middle cassette
6 Desk lower cassette
7 LCC
2 Duplex
AR-250/281/286/287/336/
337/405/407/501/505/507
7/13/2000