Toshiba DP1600 Service Handbook page 170

C82 Read Sensor Adjustment Error (ADF/RADF)
(ADF)
1. Check there are any foreign obstacles between the read sensor and the reflection mirror.
2. Check if the read sensor or reflection mirror is dirty.
3. Check if each connector between the read sensor and the ADF PWA (CN4) is disconnected.
4. Check if each connector between the ADF PWA (CN1) and the scanner control PWA (CN6)
is disconnected.
5. Check if each connector between the scanner control PWA (CN4) and the main PWA (CN8)
is disconnected.
6. Check if each connector pin is removed or the harness is broken.
7. Check if any conductor pattern on the ADF, scanner control and main PWA is open- or short-
circuited.
8. Replace the read sensor.
9. Replace the ADF PWA.
10.Replace the scanner control PWA.
11.Replace the main PWA.
(RADF)
1. Check there are any foreign obstacles between the read sensor and the reflection mirror.
2. Check if the read sensor or reflection mirror is dirty.
3. Check if each connector between the read sensor and the RADF PWA (CN6) is discon-
nected.
4. Check if each connector between the RADF PWA and the scanner control PWA (CN6) is
disconnected.
5. Check if each connector between the scanner control PWA (CN4) and the main PWA (CN8)
is disconnected.
6. Check if each connector pin is removed or the harness is broken.
7. Check if any conductor pattern on the RADF, scanner control and main PWA is open- or
short-circuited.
8. Replace the read sensor.
9. Replace the RADF PWA.
10.Replace the scanner control PWA.
11.Replace the main PWA.
1600/2000/2500 TROUBLESHOOTING 4 - 46 December 2000 © TOSHIBA TEC