Ricoh D124-17 Service Manual page 177

7. Wipe both sides of the encoder strip with the cloth.
8. Clean the strip as far as the carriage on the right, move the carriage to the left, and then clean the
other end of the strip.
10 DRESS Sensor
• Cleaning cloth
• The recommended cleaning interval is 10Km. However, if the operator is frequently printing with
tracing paper or print Quality mode, cleaning every 5Km is recommended.
1. Remove the DRESS Sensor
2. Clean the DRESS sensor with a cleaning cloth.
• Always use the cleaning cloth, never use a cotton swab or tissue paper.
• Cleaning the DRESS sensor prevents errors when it reads the reflectivity of the surfaces of
glossy paper and tracing paper.
11 Maintenance Unit
page 415
PM Cleaning Points
175