Oki Microline 390 User Manual

4.3.16 Carriageframe __ _. _. _. _. _. _. _. _.
4-24
4.3.17 Spacerack .._.._.._____.______..._________.._......._____..__.._.__..__ 4-25
4.3.18 Guiderail ________.._....__.__.____.________..._.._..__.___.___________.. 4-26
4.3.19 Head cable __ _. _. _. _. _. _. _.
4-28
4.3.20 Platen assembly
4-28
4.3.21 Ribbon protector _. _. _. _. _. _.
4-30
4.3.22 LFmotor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...1. 4-31
4.3.23 LF motor interconnect module
4-32
4.3.24 Idlergear ____..__..__._.______..________________________________.___._._ 4-33
4.3.25 Releaselever . . . ..______.___._.___.._.._._....._._____._._.....__________ 4-34
4.3.26 Pressure roller assembly
_. _. _. _. _. _. _. . _. _.
4-34
4.3.27 Tractor assembly _. _. _. _.
4-36
4.3.28 Sensorlever .._,___..____.....,_______________.________.__._...____._,... 4-38
4.3.29 Paper end lever
4-39
4.3.30 Leafspring ______._________________.._,...._._______.__.__.__.__.._____. 4-40
5. ADJUSTMENT __ _. _, _. _. _. _. _. . _.
5-1
5.1
Gap Between The Platen And Printhead
5-l
6. CLEANING AND LUBRICATION _.
6-1
6.1
Cleaning ________..___._.....__....__.___________________....._...,...... 6-l
6.2
Lubrication _.._______.._..__._________________...................__..__.. 6-1
7. TROUBLESHOOTING AND REPAIR _. _. _. _.
7-1
7.1
Items to Check Before Repair
7-l
7.2
Method of Troubleshooting
_.
7-l
7.3
LampDisplay ..__________._......._________._........____.__.______.____ 7-2
APPENDIXA PCBLAYOUT ____.._______.,.._______________...._._______.._____........ A-l
APPENDIXB SIGNALLIST _____.__._________.._.___________________....__._____________ B-1
APPENDIXC CIRCUITDIAGRAM ._______...._.__.___________.....___._.________........ C-l
APPENDIXD SPAREPARTSLIST __________.__________.________._.______________.____.... D-l
APPENDIX E RS-232C (for ML390/391/320/321 Elite) SERIAL INTERFACE BOARD
E-l
1.
GENERAL _______..__._______._...___.______._._._._______.._..________... E-l
2.
OPERATION DESCRIPTION
_. _. _. _. ___
E-2
2.1
ElementDescription . . . ..___________..__._________.__._._.________._.___.. E-2
iii

Oki Microline 390 Specifications

General

Print Technology	Dot Matrix
Number of Pins	24
Resolution	360 x 360 dpi
Print Resolution	360 x 360 dpi
Noise Level	55 dB
Connectivity	Parallel
Paper Handling	cut sheet
Emulations	IBM ProPrinter
Paper Width	4 to 10 inches
Weight	13 lbs