Ricoh FT5034C Service Manual page 255

6.7 ADF CONTROL BOARD
1. LED
LED1 - When the ADF is lifted, LED1 lights.
LED2 - When the registration sensor is
activated, LED2 lights.
LED3 - When the feed-out sensor is activated,
LED3 lights.
2. DPS1
ON Motor Test
OFF Normal
•
No 1 ON: Use to test the ADF drive without an original.
•
No 2 ON: ADF free run while detecting originals.
NOTE: The DIP switch settings must be changed when the main switch is off.
3. DPS2
Adjust it when the ADF misdetects the original length.
•
If the detected length is less than the actual original length, turn DPS2 clockwise.
•
If the detected length is larger than the actual original length, turn
counterclockwise.
Ref.) The relation of each paper length is as follows:
A3 > B4 > A4 lengthwise > B5 lengthwise > A4 sideways > B5 sideways
NOTE: Turn the main switch off and on after the adjustment.
1 2
ADF free run
Normal
CN1
LED3
LED2
LED1
CN3
* Start key is SW1.
- 12 -
SW1
DPS2
CPU
DPS1
CN2
FUSE(125V,1.25A)