Service manual

Chapter 15
15-39
the keypad to execute the following:
'1' on Keypad
Press it to execute a data write/read check for the entire area of the D-RAM (SDRAM). If an error occurs during the
check, the machine will stop the check and indicate an error on the LCD.
'2' on Keypad
Press it to execute a data read check for the entire area of the D-RAM (SDRAM). If an error occurs during the check,
the machine will stop the check and indicate an error on the LCD.
F-15-17
CCD Test (2: CCD TEST)
A press on '2' on the keypad on the Test Mode menu will select CCD Test mode. Press '3', '7', or '8' on the keypad to
execute the following:
'3' on Keypad
Press it to execute original read position auto adjustment (if equipped with ADF) so as to adjust the contact sensor
position used for reading with the ADF in use automatically.
'7' on Keypad
Press it to initialize the contact sensor parameters, including those that are not initialized by 'all clear' in service mode.
'8' on Keypad
Press it to execute contact sensor LED intensity auto adjustment so that the contact sensor output correction is made
and contact sensor parameters are automatically set.
1:D-RAM 6556K*1
*******......
1:D-RAM 6556K*1
......
Press '1' on the keypad.
Press the Set key.
6556K*1 : indicates the total size of
memory of the D-RAM (in bytes).
* : indicates the memory size for
data write operation.
. : indicates the memory size for
data read operation.
6556K*1 : indicates the total memory of
the D-RAM (in bytes).
. : indicates the memory size for data
write operation.
Indicated only when image data exists in the D-RAM.
OK: press the Set key to clear the image data in the D-RAM.
NO: press the Stop key to return to TEST MODE.
Press '2' on the keypad.
PIX RECORD CLEAR ?
OK<OK>, NO<STOP>
1:D-RAM 6556K*1
[1] - - - [3]
1:D-RAM 6556K*1
complete (no error)
Normal end
WRT= 33CC RD= 33EC
ADR= BF840201
1:D-RAM 6556K*1
complete (error)
Error end
Press the Start
key to resume.
Error indication
WRT : data written.
RD : data read.
ADR : address.
*1:14848K;Only for the imageCLASS D680 model.