Xerox 128 服务手册

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DocuTech 128/155/180 HighLight Color Operator Guide
Routine maintenance
Figure 3-34  Q1107 sensor
Cleaning the Q1164 sensor
NOTE:  High volume printer configuration only
To access sensor Q1164, open the top cover of the last feeder/ 
stacker module, the one containing the purge tray.
To clean the sensor:
1. Brush or wipe the sensor windows lightly.
2. Remove any paper dust present in the area.