Appendix 4 Constant Banding Table - HP Indigo press 3050 Troubleshooting Manual

Appendix 4 Constant banding table

Diagnostic table for constant banding caused by local loads and other causes.
Distance from LE
mm deg
31-39 65-70
46 75
71-106 95-110
143-155 140-148
173-180 160-165
262 & 350 220 & 278
Couple Couple
300 245
350 278
350±5 278±5
350-455 278-350
Group Group
355 282
397 310
EN
Local loads
Gripper
Press
shaft
action
action
Opening Sheet exit
st
1 transfer
start
Opening Sheet exit
Opening Simplex
Opening Simplex
nd
2 transfer
start, end
Closing Simplex
nd
2
transfer
start
nd
2
transfer
start
Exit roller
"jumps"
Closing Simplex
nd
2
transfer
start
Sepr.
Occurs
num
Print a single proof for diagnostic.
st st
1 1 transfer Related to stop stations, gripper shaft,
and magnets adjustment. (SS2 on).
Image Related to 1
Each
writing adjustment. (too high)
Print a single proof for diagnostic.
Image
nd
2 Related to stop stations, gripper shaft,
writing
and magnets adjustment. (SS2 on).
Related to stop stations, gripper shaft,
st st
1 1 transfer
and magnets adjustment. (SS1 on).
Image Related to stop stations, gripper shaft,
nd
2
writing and magnets adjustment. (SS1 on).
Sometimes accompanied by bad
transfer between the banding.
Related to:
st
Each 1 transfer -1
low):
- ITM bearings
- ITM radial freedom
st
1 Related to stop stations, gripper shaft,
st
1
transfer and magnets adjustment. (SS1 on).
Related to substrate definition and 2
pressure adjustment. Use "Appendix
st
Each 1 transfer
6 Second transfer banding -
troubleshooting procedure" on page
24 for troubleshooting.
Electrical banding,
Gripper clamp touches the blanket.
st
Each 1 transfer Related to banded gripper clamps,
incorrect gripper shaft adjustments,
and bubbles on blanket.
Image Print with no exit roller for diagnostic.
Each
writing Replace springs.
Image Related to stop stations, gripper shaft,
nd
2
writing and magnets adjustment. (SS1 on).
Related to substrate definition and 2
pressure adjustment. Use "Appendix
Image
Each
6 Second transfer banding -
writing
troubleshooting procedure" on page
24 for troubleshooting.
Appendix 4 Constant banding table 21
Diagnostic tips
st
pressure incorrect
st
pressure incorrect adjustment (too
nd
nd