Service manual

1st 2nd 3rd Display Function
Default,
( ): For Europe
Settings/Range Comments Report
4 904 1 IPU Board Test 1
Performs IPU board test 1. The
test 1 program diagnoses
problems with register Write/Read
of the LSIs on the IPU board
(except the picture element
correction LSI and SCSI FIFO). It
will take about 1 second.
0 ON: Start, OFF: C/S
Use this to test the scanner
IPU board if there are image
problems. If one of these
three tests gives a bad
result, change the board.
00: NG, 01: OK
4 904 2 IPU Board Test 2
Performs IPU board test 2. The
test 2 program diagnoses
problems with the connections
between the LSIs. It will take
about 15 seconds.
0 ON: Start, OFF: C/S
4 904 3 IPU Board Test 3
Performs IPU board test 3. The
test 3 program diagnoses
problems with DRAM Write/Read
of the Extended IPU. It will take
about 13 seconds.
0 ON: Start, OFF: C/S
4 905 Printer Gamma Printing
Prints the printer gamma settings
on A4/Letter paper.
1 1: Print
4 907 VPU Test Ptrn Selection Selects the VPU test pattern. 0
0: Scanned Original
1: White Plate Pattern
2: 16-steps Gradation
Pattern
3: 4-dot/line Pattern
4: 2-dot/line Pattern
SCANNER
SM APPENDIX 11-40 A166/A187/A189
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA