HP Color LaserJet Managed MFP E77428
Service mode. How to Enter
Entering service mode
- From the control panel, select Support Tools, and then select Service.
- Enter the Service PIN ID.
– 04077419 - Select Service Tools.
Service mode menu tree
- Information
- General
- Supply Status
- Software Version
- Print Reports - Maintenance Counts
- Part Replacement Count - Diagnostics
- Engine Diagnostics
- Scanner Diagnostics
- Adjustment
- ACS
- Image Management
- Print Test Patterns
- MSOK Test - Service Functions
- Main Memory Clear
- Debug Log
- TR Control Mode
- Vertical Streak Correction
- Envelope Rotate
- Drain
- Clean Fuser
- Capture Log
- IP Setting
- Footer
- Firmware Upgrade
- File Dump Mode
- Copy Original Thickness
- Scan Original Thickness
- Altitude Adjustment
- Humidity
- Vapor Mode
- Event Logging
- Scan Minimize Skew