HP 750c Service Manual - Page 121
PowerĆON SelfĆTest & Mechanical Initialization, Firmware Test
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PowerĆON SelfĆTest & Mechanical Initialization Power-on Self-test Firmware Test Sproc-ASIC (Sibis) communication EEROM Test Fibis comm. Carriage Cproc. comm. Scondor test Communication Main carriage Ortho wiper initialization Window sensor Initialize Y-axis Primer Cartridge voltage setting: TTOE & BPW calibration if required Memory tests: - ROM - RAM - Swath RAM - RAM SIMMs (Test cancelled when other tests complete) Drop detector - Test signal - Calibration Check Pinch-arm & Media sensor Mark positioning calibration if required Media loading Cartridge alignment if required Ready to plot C4705-90000 Troubleshooting 8-3
Troubleshooting
C4705-90000
8-3
PowerĆON SelfĆTest & Mechanical Initialization
Power-on
Self-test
Sproc-ASIC (Sibis)
communication
EEROM Test
Ortho wiper initialization
Window sensor
Initialize Y-axis
Fibis comm.
Carriage Cproc. comm.
Scondor test
Communication
Main carriage
Primer
Cartridge voltage setting:
TTOE & BPW
calibration
if required
Drop detector
- Test signal
- Calibration
Check Pinch-arm &
Media sensor
Mark positioning
calibration if required
Media loading
Cartridge alignment
if required
Ready to plot
Memory tests:
- ROM
- RAM
- Swath RAM
- RAM SIMMs
(Test cancelled
when other tests
complete)
Firmware Test