HP System Messages Error Codes
Complete HP System Messages Guide
This guide explains all HP System Messages error codes (CH series) with simple troubleshooting steps to help you identify and fix common issues safely before calling a technician.
READY
Device Ready
- The HP system is ready for operation.
- No immediate action is required.
- Proceed with printing or scanning tasks normally.
BUSY
Processing Task
- Wait for the current job to complete.
- Avoid sending multiple print or scan commands.
- Check the print queue if the device is unresponsive.
SLEEP
Power Saving Mode Active
- Press any button to wake the device.
- Ensure the printer/scanner is not set to deep sleep mode.
- Adjust power settings if frequent sleep occurs.
IDLE
Idle State
- Device is powered on but not processing tasks.
- Send a print or scan job to activate operation.
- Check connection if device remains idle unexpectedly.
ERROR
General System Error
- Restart the HP device.
- Check for paper jams, ink, or toner issues.
- Ensure all cables and wireless connections are stable.
- Update HP drivers or firmware if the issue persists.
RESET
Restart Required
- Power off the device completely.
- Unplug it for 30–60 seconds.
- Reconnect power and restart the device.
- Check if the system message clears.
COVER OPEN
Access Door Open
- Ensure all printer/scanner covers are fully closed.
- Check for misaligned trays or cartridges.
- Remove any obstructions inside the unit.
- Restart the device after closing all covers.
PAPER JAM
Paper Jam Detected
- Carefully remove jammed paper.
- Check rollers for dust or debris.
- Reload paper correctly in the tray.
- Ensure paper guides are properly aligned.
LOW INK
Ink Level Low
- Check current ink cartridge levels.
- Prepare replacement cartridges.
- Continue printing if quality remains acceptable.
- Replace cartridges when print quality drops.
LOW TONER
Toner Level Low
- Check toner status in settings panel.
- Shake cartridge gently if supported.
- Prepare a replacement toner cartridge.
- Replace toner when print fades.
NO PAPER
Paper Tray Empty
- Load paper into the input tray.
- Adjust paper guides properly.
- Ensure correct paper size settings.
- Restart the print or scan job.
SUPPLY ERROR
Supply Recognition Issue
- Remove and reinstall cartridge or toner.
- Clean contact points gently.
- Ensure compatible HP supplies are used.
- Replace supply if not detected.