What does LG AC error code CH 01 mean?

CH 01 indicates a communication error between the indoor unit and system, usually caused by wiring issues or connection failure.

How do I fix LG CH 03 error?

Check drain hose blockage, inspect drain pump, clean drain pan, and restart the unit.

Is LG CH 38 dangerous?

Yes. CH 38 indicates a refrigerant leak. Turn off immediately and contact a technician.

Can LG AC errors reset automatically?

Some errors reset after turning off power for 5–10 minutes and restarting the unit.

Why does my LG air conditioner keep showing error codes?

Common causes include sensor failure, dirty filters, wiring issues, or unstable power supply.

When should I call a technician for LG AC errors?

Call a technician if there is compressor failure, refrigerant leak, PCB issue, or repeated errors after reset.

Brother Inkjet Printer Error Codes

Complete Brother Inkjet Printer Guide

This guide explains all Brother Inkjet Printer error codes (CH series) with simple troubleshooting steps to help you identify and fix common issues safely before calling a technician.

INK ABSORBER FULL

Waste Ink Pad Needs Replacement

Turn off printer and unplug it.
Do not continue printing to avoid overflow.
Replace waste ink absorber pad.
Reset waste ink counter using service tool.

NO CARTRIDGE

Ink Cartridge Not Detected

Remove and reinstall ink cartridges.
Check for protective tape on new cartridges.
Clean cartridge contacts gently.
Replace cartridge if not recognized.

PAPER JAM

Paper Stuck in Feed Path

Turn off printer before removing paper.
Gently pull jammed paper out.
Check rollers for debris or damage.
Reload paper correctly in tray.

CLEAN HEAD

Print Head Requires Cleaning

Run built-in print head cleaning cycle.
Check ink levels before cleaning.
Print nozzle check pattern.
Repeat cleaning if output is weak.

LOW INK

Ink Level Low

Check ink status in printer software.
Prepare replacement cartridges.
Shake cartridge gently if allowed.
Replace when print quality drops.

CARTRIDGE ERROR

Ink Cartridge Communication Failure

Remove and reinstall cartridges.
Clean chip contacts carefully.
Ensure correct cartridge model is used.
Replace cartridge if error persists.

SCAN ERROR

Scanner Malfunction

Restart printer and scanner module.
Check scanner cable connection.
Clean scanner glass.
Update printer driver.

PRINT ERROR

Printing Failure

Check printer queue and cancel stuck jobs.
Restart printer and PC.
Verify USB/WiFi connection.
Reinstall printer driver.

OFFLINE

Printer Not Responding

Check power and cable connection.
Ensure printer is set as default.
Restart router for wireless printers.
Reconnect printer to network.

INK SYSTEM ERROR

Ink System Failure

Restart printer.
Check ink tubing for blockage.
Clean print head system.
Replace print head if needed.

WIFI ERROR

Network Connection Failure

Restart router and printer.
Re-enter WiFi password.
Move printer closer to router.
Reset network settings.

MEMORY FULL

Print Job Overflow

Cancel large print jobs.
Restart printer.
Print in smaller batches.
Update printer firmware.

PAPER TRAY EMPTY

No Paper Detected

Load paper into the correct tray.
Adjust paper guides properly.
Check for stuck sheets inside tray.
Restart printer after loading paper.

FEED ERROR

Paper Feed Failure

Clean paper feed rollers.
Remove dust or debris from tray.
Use recommended paper type.
Reload paper correctly.

DRYING ERROR

Ink Drying Failure

Allow printed pages to dry properly.
Reduce high humidity environment.
Use correct paper type settings.
Clean print head if smudging occurs.

INK CARTRIDGE ALIGNMENT

Alignment Required

Run automatic alignment from printer menu.
Check cartridge installation.
Ensure cartridges are genuine.
Repeat alignment if print is misaligned.

PRINT QUALITY ERROR

Poor Print Output

Run nozzle check test.
Clean print head.
Replace low ink cartridges.
Use high-quality paper settings.

OVERHEAT WARNING

Printer Temperature High

Turn off printer and let it cool.
Ensure proper ventilation.
Avoid continuous long print jobs.
Check internal fan operation if available.

MEMORY ERROR

Internal Memory Fault

Restart printer.
Cancel all print jobs.
Update printer firmware.
Reset printer settings.

USB ERROR

Connection Failure

Reconnect USB cable.
Try a different USB port.
Install correct printer drivers.
Restart computer and printer.

PRINT QUEUE ERROR

Job Stuck in Queue

Cancel all pending print jobs.
Restart print spooler service.
Restart printer and PC.
Re-send print job.

SYSTEM ERROR

General Printer Fault

Turn printer off and restart.
Check all cable connections.
Reset printer settings.
Contact service center if persistent.

FIRMWARE ERROR

Software Malfunction

Update printer firmware.
Restart printer after update.
Reinstall printer driver.
Reset to factory settings if needed.

Frequently Asked Questions

Why is my Brother inkjet printer not printing?

Check ink levels, verify cartridges are installed correctly, ensure there is paper loaded, and restart the printer to clear temporary issues.

Why is my Brother inkjet printer printing blank pages?

Empty ink cartridges, clogged print heads, dried ink, or incorrect cartridge installation may cause blank page printing.

Why is my Brother inkjet printer showing offline?

Check USB or Wi-Fi connectivity, restart the printer and computer, and ensure the printer is selected as the default device.

Why is my Brother printer not connecting to Wi-Fi?

Incorrect network settings, weak wireless signal, router issues, or outdated firmware may prevent successful Wi-Fi connections.

Why is my Brother printer printing faded pages?

Low ink levels, clogged print heads, incorrect print settings, or poor-quality paper can cause faded print output.

Why are there streaks or lines on my prints?

Dirty print heads, clogged nozzles, damaged cartridges, or alignment issues commonly cause streaking and line defects.

Why is my Brother printer paper jamming?

Paper jams may occur due to overloaded trays, damaged paper, worn rollers, or debris inside the paper feed path.

Why is my Brother printer feeding multiple sheets at once?

Dirty or worn pickup rollers, damp paper, or improperly loaded paper stacks can cause multiple-sheet feeding.

Why is my Brother printer making unusual noises?

Foreign objects, paper fragments, worn gears, or mechanical feed system issues may create unusual sounds during operation.

Why is my Brother printer not scanning?

Scanner driver problems, connection failures, software conflicts, or scanner hardware faults may prevent scanning functions.

Why does my Brother scanner produce blurry scans?

Dirty scanner glass, incorrect scan settings, poor document placement, or scanner calibration issues can reduce scan quality.

Why does my Brother printer show “Ink Empty”?

One or more cartridges may be empty, improperly installed, or not communicating correctly with the printer.

Why is my Brother printer not recognizing ink cartridges?

Dirty cartridge contacts, incompatible cartridges, protective tape left on new cartridges, or sensor issues may prevent detection.

Why is the print quality poor on my Brother printer?

Clogged nozzles, low ink, incorrect paper settings, alignment problems, or worn print heads can affect print quality.

Why is my Brother printer printing slowly?

High-quality print settings, large print jobs, network delays, or insufficient printer memory may reduce printing speed.

Why does my Brother printer stop during printing?

Communication interruptions, paper jams, low ink levels, memory limitations, or firmware issues can interrupt print jobs.

Why is my Brother printer displaying an error code?

Error codes indicate problems with ink systems, paper feeding, scanner components, cartridges, communication systems, or internal hardware.

Why does my Brother printer say “Ink Absorber Full”?

The waste ink absorber has reached its capacity and may require replacement along with a waste ink counter reset.

Why is my Brother printer overheating?

Continuous printing, blocked ventilation, internal component failure, or environmental heat can cause overheating warnings.

Why does my Brother printer keep restarting?

Firmware corruption, unstable power supply, faulty adapters, or internal electronic failures may cause repeated restarts.

Why won't my Brother printer turn on?

Check the power cable, outlet, adapter, and internal power supply components for faults or damage.

How do I reset my Brother inkjet printer?

Turn the printer off, unplug it for several minutes, reconnect power, and restart the printer to clear temporary faults.

How often should I clean my Brother print heads?

Print heads should be cleaned whenever print quality declines or after long periods of inactivity to prevent nozzle clogging.

Why does my Brother printer use ink quickly?

Frequent cleaning cycles, high-quality print settings, color-heavy documents, and regular maintenance routines can increase ink usage.

When should I replace my Brother inkjet printer?

Replacement may be more cost-effective when repair costs are high, major components fail, or the printer frequently experiences recurring issues.

Important: Always disconnect power before performing repairs. Contact a qualified technician if the issue persists.