Ricoh Pro 8310 - When Letter Folding Is Applied to Multiple Sheets; Z-Folding Is Not Performed Correctly

4.Troubleshooting for Peripheral Units
804
When letter folding is applied to multiple sheets
1. Load the paper the other side up.
2. Print the image. Is the problem resolved?
Yes
Finished!
No
Go to the next step.
3. On the machine operation panel: [User Tools] > System Settings > General Features > Set Letter
Fold-in Position for multiple sheets to "4.0 mm". (SP 6-755-101 to 110: FM4 3rds 1 Flap:Fine Adj
1st (size) SEF (Multi Sheet))
4. Print the image. Is the problem resolved?
Yes
Finished!
No
Consult the product specialist.
When letter folding is applied to a single sheet
 This procedure is applied especially to coated paper.
 To adjust the following settings, pre-register the type of paper in use as a custom paper. For
details see “3. Custom Paper Settings for Administrator” in the TCRU “Adjustment Item Menu
Guide”.
1. In General Features in System Settings, set Letter Fold-in Position for a single sheet to "7 mm".
2. In Advanced Settings for the custom paper in use, select Letter Fold-in Posn 1: Single-sheet Fold.
3. Increase the value by 0.2 mm.
4. Print the image. Is the problem resolved?
Yes
Finished!
No
Repeat Step 2 to 4. If the problem persists even though the setting value is 4 mm larger
than the maximum value, consult the product specialist.
Z-Folding Is Not Performed Correctly
The delivered paper has an upward curl with a arc of 4 cm (1.6”) or less at the leading edge.
Solution:
1. Is the decurl unit installed?