User manual

Print a sample to the printer stacker. Is the printer the cause of the dirty marks?

YesNo

Printer service is required.¦

Call your service engineer.

Damaged book

[39] Normal witness mark (A) left by the form clamp during spine forming

Are there damage marks on the cover of the book near to the spine, from the form

clamp, that are worse than the normal witness mark?

YesNo

Run a standard job using paper of 80 g/m² (20 lb bond).

Does the problem continue?

NoYes

The problem is caused by

the cover material or the

finish.

Change the cover material.

Call your service engineer.

Is the spine torn or creased?

YesNo

The spine is over-formed (see ‘Spine form problems’ on

page 62).

Is there damage to the spine at the stitch positions or is the cover falling off?

YesNo

Chapter 5 - Error Conditions, Problems and Solutions 73

Book Quality