
EJ-640
Maintenance Guide
When Manual Cleaning Becomes Necessary
Perform Manual Cleaning Once a Month or More
To keep the stable output condition at all times, perform cleaning once a month or more.
Manual cleaning takes approximately 10 minutes.
Manual Cleaning Is Recommended When the Following Symptoms Occur
It is recommended to perform manual cleaning when any of the symptoms given below
occur and cannot be solved by automatic cleaning functions such as normal cleaning.
Replacing the wipers or felt wipers is also an effective means of improving symptoms.
Summary of Contents for EJ-640
Page 9: ...EJ 640 Maintenance Guide...
Page 15: ...EJ 640 Maintenance Guide...
Page 16: ...EJ 640 Maintenance Guide 3 Clean the area around the print heads with the cleaning stick...
Page 17: ...EJ 640 Maintenance Guide...
Page 21: ...EJ 640 Maintenance Guide Procedure...
Page 23: ...EJ 640 Maintenance Guide 1 Enter the wiper replacement menu...
Page 24: ...EJ 640 Maintenance Guide 2 Replace the wipers...
Page 29: ...EJ 640 Maintenance Guide 2 Replace the separating knife 3 Exit the knife replacement menu...
Page 31: ...EJ 640 Maintenance Guide...