HP Indigo WS6000 Preventive Maintenance -- CA393-00660 Rev 08 - Page 10

Procedures, Clean ITM, PIP and blanket IR sensors.

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Component Writing head ITM drum PIP drum WHS general Procedure ● Clean writing head window. ● Check writing head focus by printing the WH quality job. Adjust the writing head as necessary. ● Check writing head leveling by printing the WH quality job. Adjust the writing head as necessary. ● Check the de-skew by printing the WH quality job. Adjust the writing head as necessary. ● Clean ITM Slip rings in front and back with Q-tip and IPA. ● Wipe ITM surface and shoulders using a lint-free wipe with IPA. ● Clean ITM, PIP and blanket IR sensors. ● Verify ITM, PIP and blanket IR sensors readings (replace if necessary). ● Check bias and thermostat carbon brushes. Replace if necessary. ● Wipe the PIP Drum shoulders using a lint-free wipe with IMO. ● Check carbon brushes and replace if necessary. ● Clean all Nips and rollers using warm water. ● Inspect all belts for cracks and verify tension, adjust if necessary ● Verify that the electrostatic brush hair is straight and ~1 mm from the substrate ● Clean the Impression drum using a lint-free wipe with IPA. ● Check 2nd transfer calibration only if the press has known PQ or scaling issues. ● Grease the WHS, see Appendix C - Greasing the WHS on page 15. 8 Chapter 2 Procedures

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Component
Procedure
Writing head
●
Clean writing head window.
●
Check writing head focus by printing the WH quality job. Adjust the writing head as necessary.
●
Check writing head leveling by printing the WH quality job. Adjust the writing head as necessary.
●
Check the de-skew by printing the WH quality job. Adjust the writing head as necessary.
ITM drum
●
Clean ITM Slip rings in front and back with Q-tip and IPA.
●
Wipe ITM surface and shoulders using a lint-free wipe with IPA.
●
Clean ITM, PIP and blanket IR sensors.
●
Verify ITM, PIP and blanket IR sensors readings (replace if necessary).
●
Check bias and thermostat carbon brushes. Replace if necessary.
PIP drum
●
Wipe the PIP Drum shoulders using a lint-free wipe with IMO.
●
Check carbon brushes and replace if necessary.
WHS general
●
Clean all Nips and rollers using warm water.
●
Inspect all belts for cracks and verify tension, adjust if necessary
●
Verify that the electrostatic brush hair is straight and ~1 mm from the substrate
●
Clean the Impression drum using a lint-free wipe with IPA.
●
Check 2nd transfer calibration only if the press has known PQ or scaling issues.
●
Grease the WHS, see
Appendix C - Greasing the WHS
on page
15
.
8
Chapter 2
Procedures