SATO M-8400RV User manual

P/N 9001042
Rev C
Industrial Bar Code Printers
SATO M-8400RV
Service Manual
SATO America, Inc.
10350-A Nations Ford Rd.
Charlotte, NC 28273

Rev C
SATO M-8400RV SERVICE MANUAL
SATO America, Inc.
10350-A Nations Ford Rd.
Charlotte, NC 28273
MainPhone: (704) 644-1650
Technical Support Hotline: (704) 644-1660
Fax: (704) 644-1661
Copyright 1997
SATO America, Inc.
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Rev C
SATOM-8400RV Service Manual
i
Table Of Contents
SECTION 1. OVERVIEW & SPECIFICATIONS
Page
Overview.............................................................................................1-1 1
Physical Characteristics....................................................................1-2 2
Components .....................................................................................1-3 3
Ribbon ................................................................................................1-4 5
Installation Considerations ..............................................................1-5 5
Interface Connections .......................................................................1-6 5
Switches and Sensors.......................................................................1-7 6
Operator Panel/Displays....................................................................1-8 8
Optional Accessories ........................................................................1-9 10
Environment & Approvals.................................................................1-10 10
Print ....................................................................................................1-11 11
Media, Sensing and Ribbon ..............................................................1-12 11
Controls and Signals, Adjustments..................................................1-13 12
Interface Connections .......................................................................1-14 13
Processing .........................................................................................1-15 13
Character Fonts .................................................................................1-16 13
Bar Codes and Other Features .........................................................1-17 15
SECTION 2. CONFIGURATION
Dip Switch Settings ...........................................................................2-1 17
Default Settings..................................................................................2-2 27
Printer Adjustments...........................................................................2-3 28
Advanced Mode Settings and Adjustments.....................................2-4 32
Printing Test Labels...........................................................................2.5 43
SECTION 3. INTERFACE SPECIFICATIONS
Overview.............................................................................................3-1 45
Interface Types...................................................................................3-2 45
Receive Buffer....................................................................................3-3 46
RS232C Serial Interface.....................................................................3-4 47
Centronics Parallel Interface.............................................................3-5 55
Accessory (EXT) Connector..............................................................3-6 57
SECTION 4. ELECTRICAL CHECKS AND ADJUSTMENTS
Overview.............................................................................................4-1 59
Steps Prior to Adjustments ..............................................................4-2 60
Power Supply Checks........................................................................4-3 61
Reflective “I-Mark” Label Pitch Sensor Adjustment .......................4-4 63
See Thru (Gap) Pitch Sensor Adjustment........................................4-5 65
Ribbon Sensor Adjustment...............................................................4-6 67
Pitch Offset Adjustment (User).........................................................4-7 68
Pitch Offset Adjustment (Service)....................................................4-8 69
Feed/Backfeed Adjustment - Tear Off Mode....................................4-9 70
Feed/Backfeed Adjustment - Cutter Mode .......................................4-10 71
Feed/Backfeed Adjustment - Dispenser Mode.................................4-11 72

Rev CSATO M-8400RV SERVICE MANUAL
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Table Of Contents
SECTION 5. MECHANICAL ADJUSTMENTS Page
Overview .............................................................................................5-1 73
Ribbon Clutch Adjustments ..............................................................5-2 74
Ribbon Guide Plate Adjustment........................................................5-3 77
Print Head Position Alignment..........................................................5-4 78
Print Head Balance Adjustment ........................................................5-5 79
Print Head Pressure Check................................................................5-6 80
Feed Roller Adjustment (Label Tracking).........................................5-7 81
Pitch Sensor Modification for Sensing “R-Corner”Notch Tags.....5-8 83
Timing Belt Tension Adjustment.......................................................5-9 84
SECTION 6. REPLACEMENT PROCEDURES
Overview .............................................................................................6-1 85
Replacing Fuses.................................................................................6-2 86
Replacing the Print Head...................................................................6-3 88
Replacing the Main Circuit Board .....................................................6-4 90
Replacing the Power Supply .............................................................6-5 92
Replacing the Label Pitch Sensor Assembly ...................................6-6 94
Replacing the Label Out Sensor Assembly......................................6-7 97
Replacing the Ribbon Motion Sensor...............................................6-8 99
Replacing the Ribbon Drive Clutch Washers...................................6-9 101
Replacing the Timing Belts................................................................6-10 104
Replacing the Platen ..........................................................................6-11 106
Replacing the Stepper Motor.............................................................6-12 109
Replacing the LC Display and Keyboard PCB Display....................6-13 111
SECTION 7. FACTORY RESETS
Overview .............................................................................................7-1 113
Resetting the Printer (Test Print).......................................................7-2 114
EE Prom Clear All...............................................................................7-3 115
Clear Counter Heads..........................................................................7-4 116
Clear Cutter Counter ..........................................................................7-5 117
SECTION 8. TROUBLESHOOTING
Overview .............................................................................................8-1 119
Initial Checklist...................................................................................8-2 120
Troubleshooting the Centronics (Parallel) Interface........................8-3 120
Troubleshooting the RS232C (Serial) Interface................................8-4 122
Error Signals.......................................................................................8-5 123
Troubleshooting Tables.....................................................................8-6 124
Head Pattern Examples......................................................................8-7 128
SECTION 9. OPTIONS
Overview .............................................................................................9-1 131
Memory Card ......................................................................................9-2 132
Label Dispenser Unit..........................................................................9-3 137
Label Rewinder Unit...........................................................................9-4 140
Label Cutter Unit.................................................................................9-5 142
Calendar..............................................................................................9-6 147

Rev C
SATOM-8400RV Service Manual
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OverviewandSpecifications
1-1 Overview
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• SECTION 1 - OVERVIEW AND SPECIFICATIONS
• SECTION 2 - CONFIGURATION
• SECTION 3 - INTERFACE SPECIFICATIONS
• SECTION 4 - ELECTRICAL CHECKS AND ADJUSTMENTS
• SECTION 5- MECHANICAL ADJUSTMENTS
• SECTION 6 - REPLACEMENT PROCEDURES
• SECTION 7 - FACTORY RESETS
• SECTION 8 - TROUBLESHOOTING
• SECTION 9 - OPTIONS
Section
1

SECTION 1 –Overview & Specifications
Rev CSATOM-8400RV Service Manual
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1-2 Physical Characteristics
DIMENSIONS
Width 10.4 in. (265 mm)
Depth 17 in. (430 mm)
Height 13.5 in. (341 mm)
Weight 40 lbs (18 Kg)
POWER REQUIREMENTS
Voltage 100 - 115 V (+/- 10 %)
220 V (+/- 10 %)
50/60 Hz (+/- 1%)
Power Consumption 50 Watts Idle
130 Watts Operating
Width
Depth
Height
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FRONT

SECTION 1 –Overview & Specifications
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1-3 Components
OPERATOR
PANEL
RIBBON SUPPLY
SPINDLE
RIBBON REWIND
SPINDLE
PRINT HEAD
ASSEMBLY
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DIP SWITCH
CONFIGURATION
TABLE AND MEDIA
LOADING PROGRAM
MEDIA HOLDER
SENSORS AND SWITCHES
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LCD DISPLAY
POWER ON/OFF
SWITCH LABEL SENSOR
POSITIONING ADJUSTMENT
TOP ACCESS
DOOR
SIDE ACCESS
DOOR
LABEL ROLL
RETAINER
HEAD LATCH

SECTION 1 –Overview & Specifications
Rev CSATOM-8400RV Service Manual
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1-3 Components
TEAR OFF
LABEL COVER
MAIN PC BOARD
POWER
SUPPLY UNIT
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STEPPER MOTOR
SHAFT
TIMING BELTS

SECTION 1 –Overview & Specifications
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SATOM-8400RV Service Manual
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1-4 Ribbon
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SECTION 1 –Overview & Specifications
Rev CSATOM-8400RV Service Manual
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SECTION 1 –Overview & Specifications
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SATOM-8400RV Service Manual
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1-7 Switches and Sensors (Cont.)
1-8 Operator Panel / Displays
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SECTION 1 –Overview & Specifications
Rev CSATOM-8400RV Service Manual
8
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SECTION 1 –Overview & Specifications
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SATOM-8400RV Service Manual
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SECTION 1 –Overview & Specifications
Rev CSATOM-8400RV Service Manual
10
1-9 Optional Accessories
ACCESSORIES Refer to Section 9 for installation instructions.
Memory Expansion Two slots for PCMCIA Memory Cards (up to 2MB each) that
can be used for Graphic File storage, print buffer expansion,
format storage and downloaded TrueType font storage.
Label Dispenser Internal attachment allowing labels to be peeled from backing
for immediate (on demand) application. Backing is not
rewound.
Label Rewinder External option rewinds labels onto a roll after they are printed.
Label Cutter Internal attachment allowing labels to be cut at specified
internals. Controlled through programming.
Real Time Clock &
Calendar An internally mounted Date/Time clock that can be used to
date/time stamp labels at the time of printing.
Coax/Twinax Interface Coax/Triax Adapter. Coax I/F emulates an IBM 3287-2 printer
with a standard Type A BNC connector. Twinax I/F emulates
IBM 5224, 5225, 5226 or 4214 printer with auto-
terminate/cable-through capabilities.
1-10 Environment & Approvals
ENVIRONMENTAL
Operating Temperature 410to 1040F (50to 400C)
Storage Temperature -00to 1040F (-200to 400C)
Operating Humidity 15-85 % RH, non-condensing
Storage Humidity Max 90% RH, non-condensing
Electrostatic Discharge 8KV
REGULATORY APPROVALS
Safety UL, CSA
RFI/EMI FCC Class A

SECTION 1 Overview & Specifications
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SATO M-8400RV Service Manual
1-11 Print
PRINT
Method Direct or Thermal Transfer
Speed (User Selectable) 2 to 10 ips
50 to 250 mm/s
Print Module (Dot Size) .0049 in.
.125 mm
Resolution 203 dpi
8 dpmm
Maximum Print Width 4.1 in.
104 mm
Maximum Print Length
(Expanded Print Length) 14 in.
356 mm
Maximum Print Length
with 2MB Memory Card 49.5 in.
1249 mm
1-12 Media, Sensing, and Ribbon
MEDIA
Minimum/Maximum Width .87 in to 5.0 in.
(22 mm to 128 mm)
Minimum/Maximum Length .5 in. to 19.7 in.
(12.7 mm to 500 mm)
Type Die Cut Labels, Fan Fold, Tag Stock or Continuous
Caliper (thickness) Maximum .010 in. (.25 mm) including backing paper
Roll OD (max) 8.6 in. (218 mm), Face-In Wind
Core ID (min) 1.5 in. (38 mm)
Core ID (Recommended) 3 in. (76 mm)

SECTION 1 Overview & Specifications
Rev C
12
SATO M-8400RV Service Manual
1-12 Media, Sensing, and Ribbon
SENSING
See-Thru for labels or tags Movable
Reflective “I- Mark” Movable
Continuous Form Sensor not used (Software Controlled)
RIBBON
Maximum Width 4.4 in. (111 mm)
Length 1475 ft. (450 m)
Thickness 4.5 micron, Face-In Wind
1-13 Controls and Signals, Adjustments
CONTROLS AND SIGNALS
On-Line Green LED
Power Green LED
Label Red LED
Ribbon Red LED
Error Red LED
LCD Panel 2 Line x 16 Character
On/Off-Line Switch Front Panel
Label Feed Switch Front Panel
Power On/Off Switch Front Panel
POTENTIOMETER ADJUSTMENTS
Print Darkness Front Panel
Pitch Front Panel
Offset Front Panel
Display Front Panel

SECTION 1 Overview & Specifications
Rev C
13
SATO M-8400RV Service Manual
1-14 Interface Connections
INTERFACE CONNECTIONS
Parallel (Amp 36 pin) Centronics Compatible Standard
Serial (DB25S) RS232C (2400 to 19.2K bps) Standard
Serial Protocol Hardware Flow Control (Ready/Busy)
Software Flow Control (X-On/X-Off)
Bi-directional (ENQ/Response)
Data Transmission ASCII Format
1-15 Processing
PROCESSING
CPU 32 BIT RISC
ROM 1 Mbyte (4 M bit x 2)
DRAM 2 MByte
1-16 Character Fonts
MATRIX FONTS
U Font (5 dots W x 9 dots H)
S Font (17 dots W x 17 dots H)
M Font (24 dots W x 24 dots H)
XU Font (5 dots W x 9 dots H) Helvetica
XS Font (17 dots W x 17 dots H) Univers Condensed Bold
XM Font (24 dots W x 24 dots H) Univers Condensed Bold
OA Font (15 dots W x 22 dots H) OCR-A
OB Font (20 dots W x 24 dots H) OCR-B

SECTION 1 Overview & Specifications
Rev C
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SATO M-8400RV Service Manual
1-16 Character Fonts
AUTO SMOOTHING FONTS
WB WB Font (18 dots W x 30 dots H) Univers Condensed
Bold
WL WL Font (28 dots W x 52 dots H) Sans Serif
XB XB Font (48 dots W x 48 dots H) Univers Condensed
Bold
XL XL Font (48 dots W x 48 dots H) Sans Serif
VECTOR FONT
Helvetica Bold Proportional or Fixed Spacing
Font Size 50 x 50 dots to 999 x 999 dots
10 Font Variations
DOWNLOADABLE FONTS
TrueType Fonts (Storage requires Optional Memory
Expansion)
CHARACTER CONTROL
Expansion up to 12x in either the X or Y coordinates
Character Pitch Control, 0 to 99 dots
Line Space Control, 0 to 99 dots
Journal Print facility
00, 900 ,1800and 2700 Rotation

SECTION 1 Overview & Specifications
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SATO M-8400RV Service Manual
1-17 Bar Codes and Other Features
SYMBOLOGIES
Bookland (UPC/EAN Supplemental)
EAN-8, EAN-13
UPC-A and UPC-E
CODABAR
Code 39
Code 93
Code 128
Interleaved 2 of 5
Industrial 2 of 5
Matrix 2 of 5
MSI
POSTNET
UCC/EAN-128
Data Matrix
Maxicode
PDF417
Ratios (where appropriate) 2:1, 3:1, 5:2 User definable bar widths
Bar Height 4 to 600 dots, User programmable
Rotation 00, 900, 1800 and 2700
OTHER FEATURES
Sequential Numbering Sequential numbering of both numerics and bar codes
Custom Characters RAM storage for special characters
Graphics Full dot addressable graphics, SATO Hex/Binary or PCX
formats
Form Overlay Form overlay for high-speed editing of complex formats

SECTION 1 Overview & Specifications
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SATO M-8400RV Service Manual
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