Ricoh Pro C7500 Original Instructions Manual page 6

Stains appear on the back of the paper approximately every 205 mm (8.1 inches) in the paper feed
direction..................................................................................................................................................... 197
7. Fanning the Paper/Cleaning
Fanning the Paper..........................................................................................................................................199
Clean the Paper Edges..................................................................................................................................201
8. Troubles Related to Paper Feeding and Delivery (Main)
Cleaning the Parts of the Machine............................................................................................................... 203
Cleaning the Machine's Trays 1 and 2................................................................................................... 203
Cleaning the Paper Feeding Section of the Bypass Tray....................................................................... 205
Cleaning around the Photoconductor......................................................................................................206
Clean the Transfer Entrance Guide Plate................................................................................................ 208
Cleaning the CIS Glass.............................................................................................................................208
Cleaning Contact Image Sensor Back Plate........................................................................................... 209
Cleaning the Machine's Transfer Unit......................................................................................................210
Cleaning the Rollers in the Paper Exit...................................................................................................... 213
Cleaning the Double-Feed Sensor...........................................................................................................216
Cleaning the Turned-Over Delivery Unit................................................................................................. 217
Cleaning the Cooling Belt of the Turned-Over Delivery Cooling Unit..................................................218
Cleaning the Switchback Guide Plate..................................................................................................... 220
Cleaning the Pressure Separation Pawls................................................................................................. 221
Double Feeding............................................................................................................................................. 222
J099 Appears............................................................................................................................................222
Double-feeding is erroneously detected or cannot be detected...........................................................222
Paper Misfeeding.......................................................................................................................................... 224
Paper Misfeeding (Main Tray).................................................................................................................224
Streaks, Scratches, Disturbed Image, Crease............................................................................................. 226
Streaks or Scratches (How to Identify the Cause).................................................................................. 226
Image Deformation, Scratches, Streaks, Paper Creases or Bent Corners............................................227
Paper Jams, Sheets Becoming Bent or Damaged at the Corners Occurring with Turned-Over Paper
Delivery of Synthetic Paper and Plastic Sheets....................................................................................... 230
Creases on Thin Coated Paper................................................................................................................ 231
Creases or Worm Tracks (on Thin Paper)............................................................................................... 231
Stains on the Paper Edges........................................................................................................................ 235
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