Develop ineo 161 - Printer Section: Gradation Reproduction Failure

17. Image quality problem Field Service Ver. 1.0 Apr. 2005
176
ineo 161 ineo 210
Troubleshooting
17.2.22 Printer Section: Gradation reproduction failure
A. Typical Faulty Images
B. Troubleshooting Procedure
4011T526AA
Step Check Result Action
1 PC Drum is dirty. YES • Clean.
2
Image Transfer Roller is dirty, scratchy, deformed, worn, or
damaged.
YES • Clean or change.
3 The PH Unit cable is loose. YES • Reconnect.
4 PH window of PH Unit is dirty. YES • Clean.
5
ATDC Sensor (UN1) is dirty with foreign matter (such as
paper dust) other than developer.
YES • Clean.
6
The following voltages develop from the ATDC Sensor
(UN1).
<Check Procedure>
Check voltage across a Master Board pin and GND when
the Power Switch is turned ON.
• DC5.39 V to 8.15 V across PJ10A-1 and GND
• DC1.41 V to 4.98 V across PJ10A-3 and GND
NO
• Change ATDC Sensor
(UN1) and developer.
YES
• Change Master Board
(copier: PWB-A).