For information on types of paper you can use with the stacker in extended position, refer to the Paper Reference
Guide. (See "Types of Paper.") ➔ P.460
Important
• When performing color measurement using the Spectrophotometer Unit (optional), use it in the regular position (a). Do
not use the extended position (b).
iPF6400S
Using the Output Stacker
User's Guide
Handling and Use of Paper Output Stacker
509