SECTION 3
MECHANICAL ADJUSTMENTS
Replacing the Thermal Head
1) Before replacing the head, print the stair-step pattern with the6) Remove the two scre8 (PSW2.6 ws ´ 8) and remove the ther-
old head (faulty head).mal head 9 from the heat sink 0. (Refer to Fig. 2)
Note 1:Only when the head is not entirely damaged with black orNote:Do not remove the screw !a fixing the heat sink 0 and head
white lines.arm !�.
Note 2:To reproduce the stair-step pattern, refer to 7)Replace the thermal head OAdjusting9.
Method 1� in O4. Electrical Adjustments�.Note:Make sure that the silicon grease (white) does not stick onto
2) Remove the upper cabinet. (Refer to O2. Disassembly�.)the printing screen of the thermal head. If it does, remove with
3) Remove the flat cables 1 (POHE13) and 2 (ADHE13) fromalcohol.
the thermal head. (Refer to Fig. 1)8) Assemble in the reverse order of steps 2) to 6).
4) Remove the two screws 3 (BVTT2.6 ´ 6) and remove the9) Perform OHead Voltage Adjustment� of O4. Electrical Adjust-
harnesses 4 and fan holder 5. (Refer to Fig. 1)ments� (Page 4-3).
5) Remove screw 6, (PS2.6 ´ 4) and remove the ribbon guide
7. (Refer to Fig. 2)
4harness3two screws
(BVTT2.6 ´ 6)
6screw7ribbon guide
(PS2.6 ´ 4)
4harness!atwo screws
Note: Do not remove
the screw.
5fan holder8two screws
0heat sink(PSW2.6 ´ 8)
1flat cable
(POHE13)
2flat cable
(ADHE13)
9thermal head!�head arm
Fig. 2
Fig. 1
3-1 E |
ACEC
