HP Indigo W7250 Side Fog Troubleshooting - Page 14

Press leveling, Cleaning station anti-fog and anti-dripping cover, Cleaning station unit

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1. See TN-2005 - New PSTB Funnel Assembly to determine if the new PSTB funnel needs to be installed in this press. If it does and it is not installed on this press, replace it as described in the TN. 2. If any corrective action was taken above, check for side fog as described in "Checking for side fog on page 1". Press leveling Press leveling is very crucial. It could impact the drums bearing position and this could cause PIP skew or blanket creep. It might also impact imaging oil flow in the cleaning station, leading to overflow and dripping. 1. Check the press level. 2. If necessary, perform leveling as described in the press installation guide. 3. If any corrective action was taken above, check for side fog as described in "Checking for side fog on page 1". Cleaning station anti-fog and anti-dripping cover Refer to document CA393-10990 - Cleaning Station Side Fog and Anti-dripping Cover Installation. Cleaning station unit Refer below for Cleaning station unit. 1. Replace the cleaning station unit and blade holder. 2. Check for side fog as described in "Checking for side fog on page 1". PIP drum bearings Refer below for PIP drum bearings. 1. Replace the PIP drum bearings as described in described in CA393-00050 - ITM and PIP Drum Removal. 2. Check for side fog as described in "Checking for side fog on page 1". Press leveling 11

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1.
See
TN-2005 – New PSTB Funnel Assembly
to determine if the new PSTB funnel needs to be installed in
this press. If it does and it is not installed on this press, replace it as described in the TN.
2.
If any corrective action was taken above, check for side fog as described in “
Checking for side fog
on
page
1
”.
Press leveling
Press leveling is very crucial. It could impact the drums bearing position and this could cause PIP skew or
blanket creep. It might also impact imaging oil flow in the cleaning station, leading to overflow and dripping.
1.
Check the press level.
2.
If necessary, perform leveling as described in the press installation guide.
3.
If any corrective action was taken above, check for side fog as described in “
Checking for side fog
on
page
1
”.
Cleaning station anti-fog and anti-dripping cover
Refer to document
CA393-10990 – Cleaning Station Side Fog and Anti-dripping Cover Installation
.
Cleaning station unit
Refer below for Cleaning station unit.
1.
Replace the cleaning station unit and blade holder.
2.
Check for side fog as described in “
Checking for side fog
on page
1
”.
PIP drum bearings
Refer below for PIP drum bearings.
1.
Replace the PIP drum bearings as described in described in
CA393-00050 – ITM and PIP Drum Removal
.
2.
Check for side fog as described in “
Checking for side fog
on page
1
”.
Press leveling
11