Ricoh Pro C7500 Original Instructions Manual page 238

8. Troubles Related to Paper Feeding and Delivery (Main)
Solution:
1. If the Buffer Pass Unit is attached, go to the next step.
If not, go to Step 5.
2. Check to see if the stain is located at an area between 33 mm (1.3 inches) and 14 mm (0.6
inches) from the center of the paper.
Yes
No
3. Fan the paper and clean the paper edges. (See
clean the pipe cooling unit's transfer roller and guide plates. (See
Buffer Pass
4. Print the image. Has the problem been resolved?
Yes
No
5. Check whether the stains on the paper edges occurred during duplex printing or single-
sided printing.
Duplex printing
Single-sided printing
6. Check if the stains are located in the area 25 mm (1 inches), 68 mm (2.7 inches), 113 mm
(4.4 inches), or 146 mm (5.7 inches) away from the center in the paper feed direction.
Yes
No
7. Clean the ribs of the duplex guide plate. (See
Delivery Unit")
If the problem persists even after the cleaning, it may be caused by the paper, so use different
paper or print on paper that assumes that its edges will be cut.
Adjust the line speed for decurling
1. If the paper is not registered as custom paper, register the brand of the paper.
236
Go to the next step.
Proceed to Step 5.
Unit")
Finished!
Go to the next step.
Go to the next step.
Proceed to Step 8.
Go to the next step.
Proceed to Step 8.
page 201 "Clean the Paper
page 292 "Cleaning the
page 217 "Cleaning the Turned-Over
Edges") Or