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How to Repair the thermal block on Samsung 1660/1860

In this article we want to show you how to replace a heating lamp in Samsung 1660, 1666, 1860. We will show at the example on Samsung 1860. All actions can be divided into two steps: disassembling the printer and the thermal block, assembling the thermal block and the printer.

Disassemble the printer and the thermal block.

First you need to release the printer's top cover; for it you need to pry off the triggers fixing the cover (Figures 1, 2, 3).

Разбираем samsung

Fig. 1

Разбираем Samsung

Fig. 2

Разборка Samsung

Fig. 3

Remove the top cover (Figure 4, 5, 6).

Термоблок Samsung

Fig. 4

Ремонт печки Samsung

Fig. 5

ремонт samsung

Fig. 6

Now we remove the side’s cover of the printer; for it you need to pry off the triggers by using the screwdriver (Figure 7, 8).

Fig. 7

Fig. 8

You’ve removed the side cover, and now you need to remove the metal cover; for it needs to undo the four bolts (Figure 9, 10).

Fig. 9

Fig. 10

Remove the last upper cover. In Figures 11, 12, 13 show triggers. 

Fig. 11

Fig. 12

Fig. 13

Unscrew the few screws in order to remove the thermal block (Figures 14, 15, 16).

Fig. 14

Fig. 15

Fig. 16 

You need to disconnect the cable from the plate that leading to thermal blocks (Figures 17, 18).

Fig. 17

Fig. 18

In order to remove the cable you need to unbolt the two bolts and slightly expand the space to get the cable (Figure 19, 20).

Fig. 19

Fig. 20

Now you can remove the thermal block. Lifts the right edge and gently pull it out (Figures 21, 22).

Fig. 21

Fig. 22

Now proceed to the thermal block. First you need to unbolt the two bolts (Figure 23, 24), and remove the cover.

Fig. 23

Fig. 24

Then you need to remove the two springs on each side of the thermal block (Figures 25, 26, 27, 28).

Fig. 25

Fig. 26

Fig. 27

Fig. 28

Dichotomise the thermal block. We don't need the half with rubber roller, so we put it aside. Continue removing the half with the heating roller (Figure 29).

Fig. 29

Unbolt the screw (Figure 30) and remove the side covers (Figures 31 , 32).

Fig. 30

Fig. 31

Fig. 32

Unscrew the screw. In order to insert the terminal you needd to put pressure on the pin (Figures 33, 34).

Fig. 33

Fig. 34
Once you've removed the terminal, carefully remove the heating lamp. Check it by using the multimeter and make sure that it is not working (Figure 35).

Fig. 35

Change the lamp. Start to assemble the thermal block and printer in reverse order.


The next step: Assembling the printer and thermal block.

Assembly occurs in reverse order.

Insert the heating lamp on its place. We put on the terminals, fasten the bolt locking it.

Install the cover on the terminal and draw bolts up tight (Figure 36, 37).
The two halves of the thermal block gather together, put on the cover, fasten the two bolts.

The thermal block assembled.

Fig. 36

Fig. 37

Insert the thermal block on it place. Connect the cables, fasten the bolts on its place.

Insert the upper cover on it place. The metal cover fasten with four bolts, the side covers are set on its place.

Inserted the triggers on another upper cover (Figure 38, 39).

Fig. 38

Fig. 39

Connect the power supply to the printer, turn it on and print a test page. The printer is ready.

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