Sharp AR-C150 Service Manual page 21

ADJ M9
Main scanning direction copy
magnification ratio adjustment
(Scanner (Writing) unit)
Main scanning direction image
registration adjustment (Scanner
(Writing) unit)
ADJ 1 Main scanning direction copy
magnification ratio adjustment (Scanner
(Writing) unit) (Black)
This adjustment must be performed in the following cases:
•
When the black scanner (writing) unit is replaced.
•
When a U2 trouble occurs.
•
When the ICU main PWB is replaced.
•
When the EEPROM of the ICU main PWB is replaced.
1) Enter the SIM 50-10 mode.
2) Select H: BLACK LD MAG.
3) Press the [EXECUTE] key.
4) Check that the dimension inside the printed half tone pattern is
221mm.
221mm
5) If the dimension is not as specified above, change the set value
and perform an adjustment again.
Enter the adjustment value with the 10-key and press the [OK]
key.
ADJ 2 Main scanning direction color image
registration adjustment (Scanner
(Writing) unit) (Color)
Main scanning direction copy
magnification ratio adjustment (Scanner
(Writing) unit) (Color)
This adjustment must be performed in the following cases:
•
When the scanner (writing) unit is replaced.
•
When the scanner (writing) unit is removed from the machine.
•
When the main scanning direction image magnification ratio (scan-
ner (writing) unit (Black)) is performed.
•
When a color image mis-resist occurs in the main scanning direc-
tion.
•
When the installing position is changed.
•
When a U2 trouble occurs.
•
When the ICU main PWB is replaced.
•
When the EEPROM of the ICU main PWB is replaced.
1) Enter the SIM 50-20 mode.
2) Select the paper feed cassette of A3 (11" × 17") paper in the setup
item H (PAPER SEL).
∗
Use the paper tray at the bottom.
3) Press the [EXECUTE] key. The adjustment pattern is printed.
4) Check the print patterns of the rough adjustment and the fine ad-
justment for equate color on the front and the rear side.
Rough adjustment print pattern check: Check that the rough ad-
justment print pattern is at the center for the rough adjustment ref-
erence pattern.
Fine adjustment print pattern check: Check that the fine adjust-
ment print pattern is at the center for the fine adjustment reference
pattern.
(If the fine adjustment print pattern is in the range of 0 ± 1 for the
scale of the fine adjustment reference pattern, there is no need to
adjust.)
∗
A: Rough adjustment pattern
∗
B: Fine adjustment pattern
∗
C: Adjustment range (0±1)
7 – 10
AR-C150