HP CM8060 Color MFP Kundendienst Handbuch Seite 1498

C7.0B07: IDS system will not depressurize
Initial Steps
1. Open the Ink Status page and determine if one of the ink cartridges has a broken bag. If an ink cartridge has a broken bag, use the
C7.0B08 fault tree.
„IDS component locator" auf Seite 2366
HINWEIS: If the ink supplies are not depressurized, it is very difficult to remove any ink supply from the product.
Look for a message indicating that the lower-left door is open
1. Check the control panel for a message indicating that the lower-left door is open.
Is a message indicating that the lower-left door is open displayed on the control panel?
No Yes
Do the following actions to service the lower-left door
1. Test the Lower-left Door sensor (SN18).
2. Check the alignment and the hinges of the lower-left door.
3. Check the wire harness between SN18 and the Motion PCA (A2).
4. Clean SN18.
5. Test the voltage at SN18: 3.26 Vdc blocked, 0.15 Vdc unblocked at pins 18A to 17A and 1.18 Vdc both blocked and unblocked
at pins 16A to 17A onW32P9-W34J9.
1 6. Replace the lower-left door assembly.
Depressurize the IDS
1. Depressurize the IDS.
Did the IDS pressure reading drop to 0?
No Yes
Check the following items
1. Check the system air hoses to the relief valve for kinks or damage.
„IDS component locator" auf Seite 2366
2. Check the air hose connected to the IDS Pressure sensor (SN39) for leaks.
1 3. Check the wire harness between the relief valve and the ISS PCA (A8).
Activate and deactivate the relief valve
1. Cycle the relief valve.
HINWEIS: The relief valve is normally closed. If the Pressurize button is selected the valve will not actuate.
„IDS component locator" auf Seite 2366
Does the relief valve work?
No Yes
1432 Kapitel 8 Hardware fault trees DEWW