This is what the service manual says:
8,045.43 The media path motor stalled while moving the cap/wipe DOWN
The troubleshooting is as follows:
Check the Wiper drive.
Run the Service Diagnostics Wiper Drive test.
Does the Wiper operate correctly?
Yes: Go to Step 5. No: Go to Step 6.
5 Align the Printhead Wiper (ADJ 2.5.1).
Does the Wiper align?
Yes: Go to Step 7. No: Go to Step 6.
6 Inspect the wiper system for improper
operation, obstructions, or damage (broken
gear or belt). Look for ink in the wiper
Did this correct the problem?
Yes: Complete. No: Go to Step 7.
7 Check the Wiper Clutch.
Run the Service Diagnostics Head Maintenance
Does the clutch operate correctly?
Yes: Go to Step 8. No: Replace the clutch (REP 4.0.4).
8 Check the right side Wiper Lock.
Does the lock operate correctly?
Yes: Go to Step 9. No: Replace the Exit Module (REP 3.0.7).
9 Check for obstructions or spilled ink on the
Wiper Blade, Head Tilt Gear drive, and
under the Printhead.
Is the Wiper, Media Drive, and Printhead
clear or ink or obstructions?
Yes: Replace the Exit Module (REP 3.0.7).
No: Clean the system and retest.