Table Of Contents; General Description - Epson LQ-860 Technical Manual

SPECIFICATIONS .fl.-..-~..-.~.~.-..-..-tiuu. 'iHu.o.u..-ttio.-.--.-.-tio.- .~.-l-3
1.2
1.2.1 Hardware Specifications"... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..........................1-3
1.2.2 Firmware Specifications -.-.-ti.m.-.o.tito.-.tim.-.ti .-.~--.~.~-.~'~-..l-9
1.3
INTERFACE OVERVIEW ----- C.~..~-..-..M~MU.6fiM-H..fi.- .m-.fi.-fifHM-.HM-.ml-13
1.3.1 8-Bit Parallel interface Specifications - - - - - - - - - - - - - - - - - - - - - - - - - - -
1.3.2 RS-232C Serial interface Specifications -.-.H.,,-.-.-.MHHM.HH.M.-H. M-1-16
DIP SWITCH ANDJUMPERSETTINGS ...-.'fi..-.=.HH.H...-M-.H.H-. -.~.~~-.-19l9
1.4
1.4.1 DIP Switch Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4.2 Jumper Settings -.."~..-.m.M..-.-.-.H.H.fiH..- .~.~-.~.=.~~~..~~~..~.l-21
SELF-TEST OPERATION ~--.H.-.-.H...-M-..-.fi.mo.H .~.~.~.~.~-.~.~-.~-l.2222
HEXADECIMAL DUMP FUNCTION ...H.-..Hu..-.H.--.-..~.-M---- M-.H.u.-M.1.2323
1.6
PRINTER INITIALIZATION ..H.=..MM-~.-.H.-.M.-.-.~.-. -.-uu..-H-.H.H.~--.ul-24
1.7
1.7.1 Hardware Initialization ~.-.-..~.-.H.H.-.-..-H.M---- H."~-.-.~.HH.H-.-l-24
1.7.2 Software Initialization .~~.~..~.~..--..H.u.uH.-.H. .~~.H.--M.H.-H.~.M.l-24
1.7.3 Default Values- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -..-.---..--.-.--.--.-..1-24
BUZZER OPERATION AND ERROR CONDITIONS ,MH...H..-.-...H.M - - - - - - - - - - - .1-25
1.8
1.8.1 Buzzer Operation ~-..-.-.~H.-...o..M.H.M ----- H.H.H-.-.-H.-..-..HH.M.1-25
1.8.2 Error Conditions ...~.-...H---.-.H.-.-.-..-H.- .-.-u.H..~H-.-H.u.-25.l-25
MAIN COMPONENTS -.~..-.~.M..M-..-..-M.-..M.- H.M..~.MH-.-.-H.Hl-.oH-.Hl -26
1.9
1.9.1.1 Printer Mechanism Features - - - - - - - - - - - - - - - - - - - - - - - - - - - -.-.1-27
1.9.1.2 Paper Feed Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...............1-28
1.9.2 JUNMMBoard (Main Board) .-M-.H.~.M.H.u.H.H.M.-H.H.. M--..H.-29.-1-29
1.9.3 MONPS/MONPSE Board (Power Supply Circuit Board) .-.-.~-.~..~1.-~l-3o
1.9.4 Control Panel ...=..~.-.~.~..f~.-~...~-.~..- .~~.~.-..-~-.-.-~"~.-.=.-.l -31
CHAPTER 1

GENERAL DESCRIPTION

1-19