Canon iPF9000S Troubleshooting Manual page 98

15. Imaging Failures ①
reverse side, black/white dots, roller marks
C1 Head rubbing caused by an improperly set paper spacing
C2 Head rubbing caused by wavy or cockled (wavy paper caused by ink) or by a loose head
C3 Ink dropping caused by a faulty recovery system
C4 Ink dropping caused by a soiled carriage
C5 Ink dropping caused by a faulty head
C6 Black and white dots caused by the spur
C7 Reverse side (edge) soiling by the suction fan and reverse side caused by a soiled platen
C8 Roller marks produced by a feeding failure
C9 Ink staining caused by paper rubbed before the ink dries
Cause
C3, C4, C5 If the reverse side is soiled, check to see if the feeding system is not soiled.
C7 Occurring only at the edges of the soiled reverse side of paper.
C1, C2, C3, C6 Occurring outside the print area as well.
C1 Check that an incorrect paper type setting is not used (main unit/driver).
C9 Paper, such as tracing paper or films, may be difficult to dry.
C9 With a high print duty, the ink may be removed if it is touched before it dries.
C8 If roller marks are observed, check their location.
Flow 1
Soiling caused by the spur
Soiling caused by
head rubbing
Troubleshooting Guide
Clean with the accessory cleaning
sheet (iPF5100, iPF6100 only)
Replace the spur
Wavy paper
Set the head height to [Auto] or
increase it
Clean the platen suction holes
Improper absorbing power of
the suction fan
Curled paper
Soiled print side, ink dropping, soiled
Point to check
[Main Menu] → [Maintenance] → [Spur Cleaning]
A flame-retardant cloth may be used in place
of the cleaning sheet.
Wavy paper before printing
Wavy paper after printing
Increase suction force
Replace the suction fan
Correct the curls
3-24
Action
Clean.
Reduction the
suction force.
Lower the
head.
Flow 1
Reset.
Explain.
Explain.
Clean.
Moistened paper
Replace with higher-grade
paper