Ricoh B234 - CIS Image Position Adjustment: LED Strength; Procedure 3

PAPER FEED
3-114
Procedure 3
CIS Image Position Adjustment: LED Strength
5. Insert one sheet of plain white paper [A] in the paper path.
6. Make sure that the paper covers the entire area below the image position sensor
(CIS) [B].
7. Enter the SP mode and do SP1910 001 and 003 (CIS Image Position
Adjustment: LED Strength). This calibrates the amount of light to be emitted
from the CIS.
8. Do SP1909 001 and 003 (CIS Image Position Adjustment: PWM After
Adjustment).
• If the displayed value is between 20 (14h) and 40 (28h), the CIS is calibrated
successfully. (The display is in hexadecimal code.)
• If the value is outside this range, do SP1910 001 and 003, 1909 001 and 003
again. If the value does not come between 20 and 40, the CIS may be
defective.
9. Exit SP Mode.
10. Do CIS Image Position Adjustment: Normal Paper (“Procedure 4”)
B234R976.WMF
B234R975.WMF
[A]
[B]
[A]
[B]
CIS (Duplex)
CIS (Tray)
CIS in Duplex Unit
1. Turn OFF the main power
switch.
2. Remove the duplex inner
cover. (3.12.2)
3. Turn ON the main power
switch.
4. Continue to step 5
CIS in Tray
1. Turn OFF the main power
switch.
2. Remove the right upper cover.
(3.3.4)
3. Turn ON the main power
switch.
4. Continue to step 5