Brother HL-1440 - Malfinctions

%*#26'46417$.'5*116+0)

 /#.(70%6+105
9JGPVCMKPIEQWPVGTOGCUWTGUHQTOCNHWPEVKQPUCUFGUETKDGFKPVJKUUGEVKQPEJGEMEQPPGEVQTU
HQTEQPVCEVHCKNWTGDGHQTGOGCUWTKPIVJGXQNVCIGCVVJGURGEKHKGFEQPPGEVQTRKPU
/ 0Q#%RQYGTUWRRNKGF
2QUUKDNGECWUG 5VGR %JGEM 4GUWNV 4GOGF[
5WRRN[XQNVCIG  +UVJGEQTTGEVXQNVCIGRTGUGPV
CVVJGQWVNGV!
0Q +PHQTOVJGWUGTVJCVVJGEQTTGEV
XQNVCIGKUPQVUWRRNKGFCVVJG
QWVNGV
2QYGTRNWI  +UVJGRQYGTEQTFUGEWTGN[
RNWIIGFKPVQVJGQWVNGV!
0Q 2NWIVJGRQYGTEQTFUGEWTGN[
KPVQVJGQWVNGV
(WUG((  +UVJGHWUGDNQYP! ;GU +HVJGHWUGDNQYUCICKP
KOOGFKCVGN[CHVGTTGRNCEKPIVJG
NQYXQNVCIGRQYGTUWRRN[2%$
EJGEMVJCVVJGTGKUPQVCUJQTV
EKTEWKVUQOGYJGTGKPVJG#%
RQYGTUWRRN[NKPG
9KTKPI  7PRNWIVJGRQYGTUWRRN[RNWI
+UVJGTGCDTQMGPYKTGDGVYGGP
VJG#%KPRWVEQPPGEVQTQHVJG
NQYXQNVCIGRQYGTUWRRN[CPF
VJGRQYGTRNWI!
;GU 4GRNCEGVJG#%RQYGTEQTF
/ 0Q&%RQYGTUWRRNKGF
2QUUKDNGECWUG 5VGR %JGEM 4GUWNV 4GOGF[
#%RQYGT
UWRRN[
 +U#%RQYGTUWRRNKGFDGVYGGP
EQPPGEVQTU%0.CPF%00
YJGPVJGRQYGTRNWIKU
RNWIIGFKPVQVJGQWVNGV!
0Q (QNNQYVJGUCOGEJGEM
RTQEGFWTGQH/ő0Q#%
RQYGTUWRRNKGFŒ
9KTKPI&%NQCF  6WTPQHHVJGRQYGTUYKVEJCPF
FKUEQPPGEVVJG2CPF2
EQPPGEVQTUQPVJGGPIKPG2%$
6WTPQPVJGRQYGTCICKP
/GCUWTGVJGXQNVCIGUDGVYGGP
VJGVGTOKPCNU&QVJG
OGCUWTGFXQNVCIGUCVKUH[VJG
RTGUETKDGFXCNWGFKPVJGVCDNG
DGNQY!
;GU 6WTPQHHVJGRQYGTUYKVEJ
TGEQPPGEVVJGEQPPGEVQTCPF
VWTPVJGRQYGTUYKVEJQPCICKP
+HVJGRTQVGEVQTEKTEWKVKU
CEVKXCVGFEJGEMVJGEQPPGEVQT
VJGYKTKPIHTQOVJGEQPPGEVQT
CPFVJG&%NQCF
.QYXQNVCIG
RQYGTUWRRN[
2%$
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PCB + lead pin - lead pin Voltage
Engine
P5-2 P5-3 Approx. 24V
P3-10
P3-9
Approx. 5V
0Q 4GRNCEGVJGNQYXQNVCIGRQYGT
UWRRN[2%$
9#40+0)
+H[QWCPCN[\GOCNHWPEVKQPUYKVJVJGRQYGTRNWIKPUGTVGFKPVQVJGRQYGTQWVNGVURGEKCN
ECWVKQPUJQWNFDGGZGTEKUGFGXGPKHVJGRQYGTUYKVEJKU1((DGECWUGKVKUCUKPINGRQNG
UYKVEJ