Ricoh A229 Service Manual page 251

SERVICE PROGRAM MODE
Mode No.
(Class 1 , 2 & & & & 3)
4-301 APS Sensor Output Display
4-303 APS A5/HLT Size Original Detection
4-428 Scanner Adjustment
1 Flag Display
2 Standard
4-901 SBU Adjustment
1 E/O
Adjustment –
E ch
2 E/O
Adjustment –
O ch
3 Bk Adjustment
- E ch
4 Bk Adjustment
- O ch
A229
Function
Displays the APS sensor output signals
when an original is placed on the exposure
glass.
Bit 0: Width sensor 1
Bit 1: Width sensor 2
Bit 2: Width sensor 3
Bit 3: Length sensor 1
Bit 4: Length sensor 2
See "Detailed Section Descriptions –
Original Size Detection in Platen Mode" for
more details.
* Selects whether or not the copier
determines that the original is A5/HLT size
when the APS sensor does not detect the
size.
If "A5 length/5 " x 8
1/2
sizes that cannot be detected by the APS
sensors are regarded as A5 lengthwise or
5 " x 8 ".
1/2 1/2
If "Not detected" is selected, "Cannot detect
original size" will be displayed.
* Displays whether or not the standard white
level adjustment has been done.
Corrects the standard white level from the
white plate.
This SP mode is for factory use only. Do
not use this SP mode.
* Checks the difference value of the black
level for the EVEN channel after adjusting
the black level at power-up.
This SP mode is for designer use only.
Do not use this SP mode.
* Checks the difference value of the black
level for the ODD channel after adjusting
the black level at power-up.
This SP mode is for designer use only.
Do not use this SP mode.
* Checks the value of the black level for the
EVEN channel after adjusting the black
level at power-up.
This SP mode is for designer use only.
Do not use this SP mode.
* Checks the value of the black level for the
ODD channel after adjusting the black level
at power-up.
This SP mode is for designer use only.
Do not use this SP mode.
4-22
" is selected, paper
1/2
Settings
00000000
0: Not
detected
1: Detected
0: Not
detected
1: A5 length /
5 " x 8 "
1/2 1/2
Adjusted
Not adjusted
Start
0 ~255
1/step
147
0 ~255
1/step
127
0 ~ 255
1/step
127
0 ~ 255
1/step
145
SM