Troubleshooting and routine maintenance

Error and maintenance messages

As with any sophisticated office product, error and maintenance messages may be displayed. The most common error and maintenance messages are shown below.

Error Message

Cause

Action

 

 

Access Error

The device is removed from the

Press Stop/Exit. Reinsert the device and try to

 

C

 

USB direct interface while the

print with direct print or PictBridge.

 

 

data is processing.

 

 

 

 

 

 

 

 

Calibrate

Calibration failed.

Press Black Start or Color Start and try it

 

 

 

 

again.

 

 

 

 

Do one of the following:

 

 

 

 

„ Turn off the machine’s power switch. Wait a

 

 

 

 

few seconds, then turn it on again.

 

 

 

 

„ Put in a new drum unit. (See Replacing the

 

 

 

 

drum unit on page 177.)

 

 

 

 

„ Put in a new belt unit. (See Replacing the

 

 

 

 

belt unit on page 183.)

 

 

 

 

„ Put in a waste toner box. (See Replacing the

 

 

 

 

waste toner box on page 188.)

 

 

 

 

„ If the problem continues, call Brother

 

 

 

 

Customer Service.

 

 

 

 

 

 

 

Cartridge Error

The toner cartridge is not installed

Pull out the drum unit, take out the toner

 

 

Put the Black (K)

properly.

cartridge that is indicated on the LCD, and put it

 

 

 

back into the drum unit again.

 

 

Toner Cartridge

 

 

 

 

back in. 1

 

 

 

 

1 The toner

 

 

 

 

cartridge color

 

 

 

 

with the problem is

 

 

 

 

shown in the

 

 

 

 

message.

 

 

 

 

 

 

 

 

 

Change Parts

It is time to replace the belt unit.

Replace the belt unit. (See Replacing the belt

 

 

Belt Unit

 

unit on page 183.)

 

 

 

 

 

 

Change Parts

The drum unit is near the end of

Use the drum unit until you have a print quality

 

 

Drum

its life.

problem; then replace the drum unit with a new

 

 

 

one.

 

 

 

 

(See Replacing the drum unit on page 177.)

 

 

 

 

 

 

 

 

The drum unit counter was not

Press Menu, 8, 4, and then a or b to choose

 

 

 

reset when a new drum was

Drum.

 

 

 

installed.

Press OK and press 1 to reset the drum unit

 

 

 

 

 

 

 

 

counter.

 

 

 

 

 

 

 

Change Parts

It is time to replace the fuser unit.

Call Brother Customer Service to replace the

 

 

Fuser Unit

 

fuser unit.

 

 

 

 

 

 

 

 

133

 

 

 

 

 

 

 

 

 

 

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Brother MFC-9840CDW manual Error and maintenance messages, Error Message Cause Action, 133