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OKI MICROLINE ML3410
MAINTENANCE MANUAL
PREFACE
This maintenance manual describes how to maintain the Microline 3410 printer in the field.
This manual is for customer engineers.
For further information, refer to the User’s Manual for handling or operating the equipment.
TABLE OF CONTENTS
Page
1-I
1 . 1
I-2
1.
CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standard Printer Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1
Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2
2.
INSTALLATION PROCEDURE ........................................... 2 . 1
2 -1
Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1
...................................
2-1
Unpacking the Packing Box
2.1.1
Unpacking the Printer Unit .................................... 2 - 3
2.1.2
Unpacking the Accessories .................................... 2 - 4
2.1.3
2-5
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2
....................................
2-5
Precautions for Installation
2.2.1
Removing the Shipping Retainer ............................... 2 - 7
2.2.2
Installing the Accessories ..................................... 2 - 7
2.2.3
Connecting Cables ........................................... 2 - 8
2.2.4
Installing Paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 9
2.2.5
Powering On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 9.
2.2.6
Menu Selection .............................................. 2 - 11
2.3
2 -11
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.1
Key Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 1 1
2.3.2
2 -12
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.3
.....................................
2 - 13
Table of Menu Selections
2.3.4
2-15
Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.5
THEORY
3.1
3.1 .I
3.1.2
3.1.2.1
3.1.2.2
3.1.2.3
3.1.2.4
3.1.2.5
3.1.2.6
3.1.2.7
3.1.2.8
3.1.2.9
3.1.2.10
3.1.2.11
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.2.8
OF OPERATION .............................................. 3 - 1
Electrical Operation ........................................... 3 - I
Main Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 5
Other Circuits ................................................ 3 - 8
3 -8
Initialize . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interface control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 9
Communication procedure flow charts ......................... 3 - 12
Printing operation ............................................ 3 - 14
Printhead control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 -15
Space motor control .......................................... 3 - 17
3 -18
Line feed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bail open/close ............................................... 3 - 18
Alarm circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 -19
Sheet insertion guide (SIG) .................................... 3 - 20
Power supply circuit ....................................., .... 3 - 21
Mechanical Operation ........................................ 3 - 22
3 -22
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..........................................
3
- 22
Printing Mechanism
..........................
3
- 23
Printhead Mechanism and Operation
Spacing Mechanism and Operation ............................ 3 - 24
Ribbon Feed Mechanism and Operation ........................ 3 - 25
Head Gap Adjusting Mechanism and Operation ................ 3 - 26
Paper Feed Mechanism and Operation ......................... 3 - 27
Paper End Detection Mechanism .............................. 3 - 32
i
4.
Page
ASSEMBLY/DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-I
Precautions for Parts Replacement ............................. 4 - 1
4.1
Service Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 2
4.2
Disassembly/Reassembly of Procedure ......................... 4 - 3
4.3
Ribbon Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4- 5
4.3.1
4-6
Printhead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3.2
Ribbon Protector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4- 7
4.3.3
Upper Cover Assembly ....................................... 4 - 8
4.3.4
Operator Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 9
4.3.5
Interface Connector Board .................................... 4 - IO
4.3.6
Control Board (CBNP) and Interlock Switch Assembly ........... 4 - 11
4.3.7
Printer Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 1 3
4.3.8
Platen Assembly .............................................. 4 - 14
4.3.9
Line Feed Motor Assembly .................................... 4 - 15
4.3.10
Head Cable Assembly ......................................... 4 - 16
4.3.11
Sensor Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 1 8
4.3.12
Ribbon Feed Assembly ........................................ 4 - 19
4.3.13
Space Motor Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 2 0
4.3.14
4.3.15
Space Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 2 2
Bail Motor Assembly .......................................... 4 - 23
4.3.16
4.3.17
Paper Bail Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 2 4
4.3.18
Push Tractor Assembly and Rerease Lever ...................... 4 - 25
Cooling Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 2 7
4.3.19
Power Supply Unit ........................................... 4 - 28
4.3.20
5.
5 -1
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gap Between Platen and Printhead ............................ 5 - 1
5.1
Bail Motor Gear Backlash ..................................... 5 - 2
5.2
Ribbon Drive Bevel Gear Backlash ............................. 5 - 3
5.3
Line Feed Belt Tension ........................................ 5 - 4
5.4
6.
CLEANING AND LUBRICATION ........................................ 6 - 1
6-l
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1
6- 3
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.2
7.
TROUBLESHOOTING AND REPAIR ...................................... 7 - 1
Items to Check Before Repair ................................. 7 - 1
7.1
Troubleshooting Table ........................................ 7 - 1
7.2
Lamp Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 2
7.3
7-4
Parts Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.4
Connection Circuit and Resistance Check for Printhead and
7.5
LFlSPlRBN Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7- 5
Troubleshooting Flow Chart ................................... 7 - 8
7.6
7.7
Connection Diagram .......................................... 7 -23
APPENDIX
A.
PCB LAYOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-l
B -1
B.
SIGNAL LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C.
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C - l
D.
SPARE PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D -1
E.
BOTTOM PUSH TRACTOR UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
E-1
...
111
-
I
t
1. CONFIGURATION
_
---
1. CONFIGURATION
1 .l Standard Printer Configuration
ML3410 consists of the following assemblies:
Rear cover frame
/
Access cover assy
Sheet separitoy&/d
Separator
I
AC power
IV\
/ ,>Power supply unit
Printer mechanism
Control
board
Figure l-l Configuration
l-l
1.2 Options
(1)
Single bin cut sheet feeder unit (CSF)
(2)
Dual bin cut sheet feeder unit (D Bin CSF)
(3)
Pull-tractor unit
(4)
Bottom push tractor unit with Pull-up roller
l-2
t
I
2. INSTALLATION PROCEDURE
2 Installation procedure
2.1 Unpackaging
21.1 Unpacking the packing box
(1) Open the packing box.
(2) Remove the two cushioning materials from the left upper and right upper sections
of the printer unit.
(3) Remove the platen knob from the cushioning materials.
(4) Remove the printer unit.
(5) Remove the ribbon cartridge and the cushioning materials from its right lower and
left lower sections.
(6) Peel the fixing tape off the bottom of the packing box and remove the accessories.
2-l
section
Cushioning matena
(on the left upper section
of the printer unit)
Cushioning material
0
2-2
Printer unit
2.1.2 Unpacking the printer unit
(I) Remove the printer unit from the polyethylene bag.
(2) Peel the fixing tape off the desiccant and the carriage fixing instructions to remove
them from the printer unit.
Fixing tape
instructions
Desiccant
Polyethylene bag
\
Printer unit
2-3
2.1.3 Unpacking the accessories
(I) Remove the AC
cabl e, and user’s manual from the polyethylene bag.
Ribbon cartridge
\
AC code
manual
I
Platen knob
/
2-4
2.2 Installation (For details, refer to the Setup Guide.)
2.2.1 Precautions for installation
When installing the printer, observe the following precautions:
(I) Do not install the printer in the following places:
a) Place exposed to direct sunlight
b) Place with great fluctuations in temperature
d Place exposed to outdoor wind
4 Dusty place
d Near a door
0 Too near an air conditioner.
g) Place subject to heavy vibrations
(2) Adjust the temperature and humidity of the installation site as follows:
Temperature: 50°F to 104OF (5OC to 4OOC)
20%RH to 80%RH
Humidity:
(3) To install the printer and printing paper, observe the following procedure:
a) Adjust the height of the desk on which to place the printer to 30 inches (75 cm)
as a standard. (See to it that the desk surface is horizontal and smooth and that
the rubber protectors on the bottom of the desk legs are level.)
b) Set the printing paper on the floor below the printer so that it may be fed into
the printer without skewing from the feeding path by more than 2 inches (5 cm).
2 inches (5 cm) or less I
(
2-5
c) Align the rear section of the printer with the rear edge of the desk. Keep a distance
of 24 inches (60 cm) or more between the rear section of the printer unit and
the wall to provide a space for printed paper being fed out.
d) Keep a distance of 4 to 6 inches (IO to 15 cm) or more between the unprinted
paper fed into the printer and the printed paper fed out of the printer. If the
paper going in one direction interferes with the paper going the other way, they
may jam inside the printer.
24 inches (60 cm) or more
Wall
Floor
& 4 to 6 inches (10 to 15 cm)
2-6
2.2.2 Removing the shipping retainer
Remove the shipping retainer that secures the printhead.
-_
Printhead
Note: Be sure to replace the shipping retainer whenever you ship your printer. It secures th%
printhead in place to protect it.
2.2.3 Installing the accessories
Install the following accessories removed from the unpacked packing box on the printer
unit:
cartridge
(1) Platen knob
(2) Ribbon cartridge
Platen knob
2-7
2.2.4 Connecting cables
(1) Connect the AC cable to the printer.
(2) Connect the interface cable to the printer.
AC cable
(Rear section of printer)
To host computer
Connecting RS-232C
serial interface cable
Connecting Centronics
parallel interface cable
Shill Ihe bli;;d
palch lo Ihe Ml.
Shill Ihe blind palch
lo Ihe righl.
Blind palch fixing
Note: Unit is shipped with the Parallel Port exposed. No bracket adjustment is necessary unless using
M-232.
2-8
2.2.5 Installing paper
Install printing paper on the printer for the test run.
2.2.6 Powering on
(I) Turn on the POWER switch on the right side of the printer unit.
(2) Confirm that the POWER LED is on and that the printhead returns to its home (left
most) position.
(3) If the printer unit shows no abnormality after it is powered on, proceed to the next
step (4) for test printing.
2-9
(4) Test orinting
4 Aker coifirming that the POWER switch is off,turn it on while pressing the FORM
FEED switch.
b) Confirm that the printer unit prints out the test pattern as shown in the figure
below.
cl Press the SELECT switch to end the printing test.
4 Confirm that the SELECT lamp is on, indicating that the printer unit is ready to
receive printing data from the host computer.
1”#$5&‘()*+,-. /0123456789~;<->?@ABC----C'()*+,-./0123456789~t<->?@ABCDEFGH
'()a+,-. /0123456789r;<=>?@A8CDEFGHI
I"#$%&'()'+,-./0123456789:;<->?@ABCD
"#St&'()*+,-. /0123456789:;<->?@ABCDE
o*+,-. /01234567891;<->?@ABCDEFGHIJ
)*+,-. /01234567891;<->?@ABCDEtFGHIJK
#$%&'()*+,-./0123456789:;<-s?@ABCDEF
*+,-. /01234567891;<->?@ABCDEFGHIJKL
StC'()*+,-. /0123456789r;<->?@ABCDEFG
+,-. /01234567891;<->?@ABCDEFGHIJKLH
t&'()*+,-. /0123456789:;<->?@ABCDEFGH
,-e/0123456789:;<->?@ABCDEFGHIJKLtJN
&'()*+,-. /0123456789r;<->?@ABCDEFGHI
-./0123456789:;<->?@ABCDEFGHIJKLHNO
'()*+,-. /01234567891;<->?@ABCDEFGHIJ
. /01234567898;<->?@ABCDEFGHIJKLHNOP
o*+r-. /0123456789r;<=>?@ABCDEFGHIJK
/0123456789:;<->?@ABCDEFGHIJKLHNOPQ
) l +,-. /0123456789:;<->?@ABCDEFGHIJKL
0123456709:;<->?@ABCDEFGHIJKLHNOPQR
l +,-. /0123456789r;<->?@ABCDEFGHIJKLH
1234567891;<->?@ABCdEFGHIJKLHNOPQRS
+,-./01234567891;<->?@ABCDEFGHIJKLttN
234567891j<=>?@ABCDEFGHIJKLMNOPQRST
,-./0123456789:;~=>7@ABCDEFGHIJKLMNO
34567891;<->?@ABCDEFGHIJKLttNOPQRSTU
-./0123456789:;<->?@ABCDEFGHIJKLMNOP
456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUV
. /0123456789:;~=>?@ABCDEFGHIJKLtiNOPQ
56789r;<=>?@ABCDEFGHIJKLtiNOPQRSTUVW
/0123456789~;<=>?@ABCDEFGHIJKLHNOPQR
67891;<->?@ABCDEFGHIJKLttNOPQRSTUVWX
0123456789~,<=>?@ABCDEFGHIJKLtiNOPQRS
789t;<->?@ABCDEFGHIJKLttNOPQRSTUVWXY
123456789:;<->?@ABCDEFGHIJKLMNOPQRST
89rt<->?@ABCDEFGHIJKLtdNOPQRSTUVWXYZ
23456789;;<=>?@ABCDEFGHIJKLttNOPQRSTU
3456789:;<->?@ABCDEFGtiIJKLt4NOPQRSTUV ----YI;<->?@ABCDEFGHIJKLHNOPQRSTUVWXYZ[
1
I
I
2-10
2.3 MENU SELECTION
2.3.1 OVERVIEW:
Access “global” type printer features/functions as directly as possible. Features selected in MENU
mode become the default features for the printer each time it is powered on. The Menu function
allows the ability to activate features without the use of software commands. Software commands
will override MENU settings.
2.3.2 KEY FUNCTIONS:
Key Name
Function
GROUP
General categorization of functions/features.
Selects next GROUP title, once through the entire list, loops
back to the first GROUP.
ITEM
Direct name of functions/features.
Selects next ITEM title, once through the entire list, loops
back to the first ITEM in the current GROUP.
SET
Value (setting) of the ITEM.
Selects next SETTING value, once through the entire list,
loops back to the beginning of the list.
PRINT
Prints entire MENU and returns to top of MENU list.
EXIT
Saves any changed settings and leaves the MENU.
2-11
2.3.3 OPERATION
1.
To enter Menu mode depress PQ and CPI switch.
a. Printer = deselected state. SEL LED = off
b. Press GROUP switch to print first MENU item.
2.
Upon entering Menu mode, the first GROUP - ITEM - SET is printed.
3.
See Key functions above for description of operation.
4.
To exit MENU mode depress the EXIT switch.
5.
If conflicting functions are set in menu mode, the printer will treat these function
according to the priority table.
6.
The TOF position is not affected by MENU mode.
7.
Depressing TOF/SEL switches simultaneously on power up will reset the menu back
to its factory settings. (see FACTORY SETTINGS for further details.)
Note: When entering/exiting Menu mode, the user is not prompted.
2-12
2.3.4 TABLE OF MENU SELECTIONS
NOTE: Factory settings are bold printed.
Group
Item
Setting
Printer Mode
Emulation Mode
IBM PPR, EPSON FX
Font
Print Mode
Pitch
Style
Size
Utility, NLQ Courier, NLQ Gothic, HSD
10 CPI, 12 CPI, 15 CPI, 17.1 CPI, 20 CPI
Proportional
Normal, Italics
Single, Double
Character Set
Set II, Set I
Language Set
American(F), French, German, British, Danish I,
Swedish I, Italian, Spanish I, Japanese,
Norwegian, Danish II, Spanish II, Latin
American, French Canadian, Dutch, Swedish II,
Swedish III, Swedish IV, Turkish, Swiss I,
Swiss II, Publisher
Unslashed, Slashed
No, Yes
USA, Canada-French, Multilingual, Portugal,
Norway, Turkey, Greek_437, Greek_851,
Greek_928, Cyrillic, Polska Mazovia, Polska PC
Latin 2, Serbo Croatic I, Serbo Croatic II,
ECMA-94
Symbol Sets
Zero Character
Slash Letter 0
Code Page
Rear Feed
Line Spacing
Form Tear Off
Skip Over Perforation
Page Width
Page Length
6 LPI, 8 LPI
Off, 500 ms, 1 set, 2 set
No, Yes
l3.6”, 8”
II”, 11 2/3”, 12”, 14”, 17”, 3”, 3.5”, 4”, 5.5”,
6”, 7”, 8”, 8.5”
Bottom Feed
Line Spacing
Form Tear Off
Skip Over Perforation
Page Width
Page Length
6 LPI, 8 LPI
Off, 500 ms, I set, 2 set
No, Yes
l3.6”, 8”
II”, 11 2/3”, 12”, 14”, 17”, 3”, 3.5”, 4”, 5.5”,
6”, 7”, 8”, 8.5”
Top Feed
Line Spacing
Skip Over Perforation
Page Width
Page Length
6 LPI, 8 LPI
No, Yes
13.6”, 8”
11 /I, 11 2/3”, 12”, 14”, 17”, 3”, 3.5”, 4”, 5.5”,
6”, 7”, 8”, 8.5”
2-13
Group
Item
Set (Value) Selection
Set-Up
Graphics
Receive Buffer Size
Paper Out Override
Print Registration
Bi-directional, Uni-directional
16K, 28K, 1 Line, 4K
No, Yes
0.00 mm, 0.05 mm Left, 0.10 mm Left, 0.15 mm
Left, 0.20 mm Left, 0.25 mm Left, 0.25 mm Right,
0.20 mm Right, 0.15 mm Right, 0.10 mm Right,
0.05 mm Right
Operator Panel
Function
Reset Inhibit
Print Suppress
Effective
Auto LF
Auto CR (IBM PPR
Only)
CSF Bin Select
SI Select Pitch (IO CPI)
(IBM PPR Only)
SI Select Pitch (12
CPI)(IBM PPR Only)
Time Out Print
Auto Select
Sensor Disable
Parallel I/F(*l)
Serial I/F (*2)
l-Prime
Pin 18
Auto Feed XT
(EPSON FX Only)
Full Operation, Limited Operation
No, Yes
Yes, No
No, Yes
No, Yes
Bin 1, Bin 2
17.1 CPI, 15 CPI
20 CPI, 12 CPI
Valid, Invalid
No, Yes
No, Yes
Buffer Print, Buffer Clear, Invalid
+5V, Open
Invalid, Valid
None, Odd, Even
Parity
Serial Data 7 or 8 Bits 8 Bits, 7 Bits
Ready/Busy(F), X-ON/X-OFF
Protocol
Diagnostic Test
No, Yes
Busy Line
SSD-, SSD+, DTR, RTS
Baud Rate
9600 BPS, 4800 BPS, 2400 BPS, 1200 BPS, 600
BPS, 300 BPS, 19200 BPS
DSR Signal
Valid, invalid
DTR Signal
Ready on Power Up, Ready on Select
Busy Time
200 ms, 1 set
(*I) or (*2) appeares one of two according to the Interface Selection.
2-14
2.3.5 EXAMPLE: Set Default Font to Courier.
(Not printed in full size)
Printout
Step
(1) Push PQ and CPI
(2) Push GROUP
SW.
SW twice.
Menu Mode
Printer Mode
Emulation Mode
IBM PPR
Font
Print Mode
Utility
(3) Push SET S W
to set value.
Font
Print Mode
NLQ Courier
(4) Push PRINT SW
to print current Menu.
Printer Mode
Font
Font
Font
Font
Emulation Mode
Print Mode
Pitch
Style
Size
IBM PPR
NLQ Courier
10 CPI
Normal
Single
Symbol
Symbol
Symbol
Symbol
Symbol
Character Set
Language Set
Zero Character
Slash Letter 0
Code Page
Set I
American
Slashed
No
USA
Line Spacing
Form Tear-Off
Skip Over Perforation
Page Width
Page Length
6 LPI
Off
No
13.6”
11 ”
Line Spacing
Form Tear-Off
Skip Over Perforation
Page Width
Page Length
6 LPI
Off
No
13.6”
11 ”
Line Spacing
Skip Over Perforation
Page Width
Page Length
6 LPI
No
8”
11 ”
Graphics
Receive Buffer Size
Paper Out Override
Print Registration
Operator Panel Function
Reset Inhibit
Print Suppress Effective
Auto LF
Auto CR
CSF Bin Select
SI Select Pitch (IO CPI)
SI Select Pitch (12 CPI)
Time Out Print
Auto Select
Sensor Disable
Bi-directional
16K
No
0.00 mm
Full Operation
No
Yes
No
No
Bin 1
17.1 CPI
20 CPI
Valid
No
No
Rear
Rear
Rear
Rear
Rear
Feed
Feed
Feed
Feed
Feed
Bottom
Bottom
Bottom
Bottom
Bottom
Top
Top
Top
Top
Sets
Sets
Sets
Sets
Sets
Feed
Feed
Feed
Feed
Feed
Feed
Feed
Feed
Feed
Set-Up
Set-Up
Set-Up
Set-Up
Set-Up
Set-Up
Set-Up
Set-Up
Set-Up
Set-Up
Set-Up
Set-Up
Set-Up
Set-Up
Set-Up
2-15
Step
Printout
Serial I/F
Serial I/F
Serial I/F
Serial I/F
Serial I/F
Serial I/F
Serial I/F
Serial I/F
Serial I/F
Parity
Serial Data 7 or 8 Bits
Protocol
Diagnostic Test
Busy Line
Baud Rate
DSR Signal
DTR Signal
Busy Time
(5) Push EXIT to exit MENU Menu End
and return to Print mode.
2-16
None
8 Bits
Ready/Busy
No
SSD9600 BPS
Valid
Ready on Power Up
200 mS
I
t
3. THEORY OF OPERATION
3. THEORY OF OPERATION
3.1 Electrical Operation
(1) Main control board
Microprocessor (MPU) controls the whole printer via the peripheral LSls, memory and
other circuits.
Interface circuits and various motor driver circuits are also mounted on this board.
(2)
Power supply unit
The power supply unit converts the AC input to +5 VDC, +38 VDC and +8 VDC.
3-l