Brother HL-4040CN Technisches Handbuch

SERVICE

UPDATE No.

P1292_EN

Print Unable 2A or No Waste Toner error

HL4040CN, HL4040CDN, HL4070CDW

August 6th, 2013 v3

Page 1of 11

Symptoms:

Print Unable 2A or “No Waste Toner” error on the display.

Possible cause:

Waste toner box may not be installed correctly

Belt cleaner assembly actuator or sensor may be failing

Drive frame assembly not being driven correctly

Recommendation:

Test machine and replace parts as needed.

Step 1: Verify that the Waste Toner Box is installed in the machine

A missing waste toner box will cause this error. Verify that it is installed in the machine (Figure 1). If the box

is present, verify that there are no foreign materials under the box that may prevent it from seating properly in

the machine (Figure 2). If the error continues try replacing the waste toner box. If the error still continues to

occur, continue to the step 2.

Figure 1

Location of Waste Toner Pack Drum and belt unit removed from

machine.

Figure 2

Foreign material will prevent proper installation of Waste Toner

Box.

SERVICE

UPDATE No.

P1292_EN

Print Unable 2A or No Waste Toner error

HL4040CN, HL4040CDN, HL4070CDW

August 6th, 2013 v3

Page 2of 11

Step 2: Check the Belt Cleaner Release Assembly

A. To check the assembly with all the supplies removed. Locate the Belt Cleaner Release Assembly (Figure

3).

Figure 3

B. Verify that the assembly is completely flush with the printer frame. The assembly is attached to the printer

frame with small pegs (Figure 5). If the pegs are not aligned properly, the assembly may not be flush with

the print frame. If the assembly is not flush, reseat the assembly as needed.

C. There is an actuator location on the back of the belt cleaner release assembly (Figure 4). It is an actuator

that can be pressed down. Verify the actuator is moving smoothly by pushing down on the actuator.

Repeat the test at least 10 times. The actuator should move smoothly and return to the UP position

when finger pressure is removed from the actuator. The sensor that this actuator activates (belt cleaner

release sensor) can be checked using maintenance mode 32. See Chapter 5 Service Functions in the

service manual.

I. If the actuator is sticking or does not move freely we recommend you clean the assembly

II. If the actuator still does not move freely or the belt cleaner release sensor fails

maintenance mode 32 test, then replace the belt cleaner release assembly. Refer to

Service Update F1249 (No Paper Fed –Clicking Noise) for removal and replacement

instructions

SERVICE

UPDATE No.

P1292_EN

Print Unable 2A or No Waste Toner error

HL4040CN, HL4040CDN, HL4070CDW

August 6th, 2013 v3

Page 3of 11

Figure 4

Belt Cleaner Release Assembly

Arrow points to the location of the actuator

Figure 5

Location of pegs on Belt Cleaner Release Assembly

D. If Error continues replace the drive frame assembly.

Step 3: Drive Frame Assembly Replacement

A. Remove the two M3X8 taptite screws from the rear cover. Remove the rear cover.

SERVICE

UPDATE No.

P1292_EN

Print Unable 2A or No Waste Toner error

HL4040CN, HL4040CDN, HL4070CDW

August 6th, 2013 v3

Page 4of 11

B. Remove the two cup S M3x8 Taptite screws. Remove the Back cover upper.

SERVICE

UPDATE No.

P1292_EN

Print Unable 2A or No Waste Toner error

HL4040CN, HL4040CDN, HL4070CDW

August 6th, 2013 v3

Page 5of 11

C. Remove the 3 M4X12 taptite screws and the M3X8 screw from the left side cover. Remove the cover.

D. Remove the three cup S M3x6 Taptite screws, cup B M4x12 Taptite screw and cup S M4x8 Taptite

screw, and then remove the Side plate LB. Remove the three screws securing the Main PCB to the

machine.

E. Remove the cup S m3x6 Taptite screw and blind b M4x12 Taptite screw, and then remove the Ground

plate.

SERVICE

UPDATE No.

P1292_EN

Print Unable 2A or No Waste Toner error

HL4040CN, HL4040CDN, HL4070CDW

August 6th, 2013 v3

Page 6of 11

F. Remove the two cup Sm3x6 Taptite screws, and then remove the ground spring plate.

G. Disconnect all the connectors from the Main PCB ASSY.

Note: After disconnecting the flat cables, check that each cable is not damaged at its end.

Note: When connecting the flat cables, do not insert it at an angle. After insertion into the connector,

verify that the cable is not at an angle.

SERVICE

UPDATE No.

P1292_EN

Print Unable 2A or No Waste Toner error

HL4040CN, HL4040CDN, HL4070CDW

August 6th, 2013 v3

Page 7of 11

H. Remove the five S M3x6 Taptite screws, and then remove the Engine PCB Assy from the frame unit.

I. Remove the cup S M3x6 Taptite screw, and then remove the Main PCB ASSY as shown by arrows 4a

and 4b.

SERVICE

UPDATE No.

P1292_EN

Print Unable 2A or No Waste Toner error

HL4040CN, HL4040CDN, HL4070CDW

August 6th, 2013 v3

Page 8of 11

J. Remove the Engine insulation sheet from the Harness shield plate, which is fixed with a two-sided

adhesive tape.

K. Remove the three cup S M3x6 Taptite screws, and then remove the Harness shield plate from the Frame

Unit.

SERVICE

UPDATE No.

P1292_EN

Print Unable 2A or No Waste Toner error

HL4040CN, HL4040CDN, HL4070CDW

August 6th, 2013 v3

Page 9of 11

L. Remove the four cup S M3x6 Taptite screws, and then remove the Engine PCB plate.

M. Remove the three bind B M4x12 Taptite screws, and then remove the Drive Frame Unit Assy from the

Frame unit. Disconnect the Connector from the Drive Frame Unit Assy.

Note: When handling the drive frame assembly, be careful to keep any loose connecting gears with the

part so that they can be transferred to the replacement part.

N. Disconnect the Connector from the Drive Frame Unit Assy.

SERVICE

UPDATE No.

P1292_EN

Print Unable 2A or No Waste Toner error

HL4040CN, HL4040CDN, HL4070CDW

August 6th, 2013 v3

Page 10 of 11

O. Ensure that the gear shown in photo below is present (the gear can be removed from the old assembly if

necessary. IF THE GEAR IS NOT PRESENT, THE PAPER WILL NOT FEED IN THE MACHINE.

P. Install parts in the reverse order. After the machine is back together. Power on the machine verifying

there is no error messages and make a test print to test that the machine is working properly.

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