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353
Safety Inspection Guide
4.
Set a Fluke meter (P/N 8496278) or similar device to the lowest
resistance scale. Measure the resistance between the power cable
ground pin and the printer frame: safety ground circuits should measure
0.1 Ohm or less.
5.
Install the paper guide assembly (page 235).
OPERATOR PANEL
+5 V
AC
POWER
Parallel
I/O
J310
P310
J301
CIRCUIT
BREAKER
IEC 320
AC POWER
P1
J1
AC
AC to DC
Power Supply
Board
Line 1
Line 2 / Neutral
CHASSIS
GND
J108 HBL
P108 HBL
J105 HBP
P105 HBP
J116 SMD
P116 SMD
J107 MSR
P107 MSR
Exhaust
Fan
Paper Feed
Motor
Platen Open
Switch
Right Ribbon
Guide
Right Ribbon
Motor
Platen
Motor
Paper Motion
Detector
Paper Out
Detector
Left Ribbon
Motor
J106 MSL
P106 MSL
Card Cage
Fan
Left Ribbon
Guide
Hammer Bank
Fan
Shuttle Motor
Hammer Bank Board
Terminator Board
Shuttle
P1
10
J1
10
P1
12
J1
12
SHIELD
GND
J101 DC POWER
Point
of
Common
Ground
Assy
CMX
Controller Board
+5 V
Ret
Ret
+48V
+48V
+48V
+5 V
+24V
Ret
+48V
Ret
+8.5V
Ret
+48V
Ret
+48V
+48V
+5 V
+5 V
+5 V
+8.5/+48V
Ret
Cabinet
models
only
+5 V Remote
Power
EIA–232–E
Serial I/O
1
2
3
4
5
6
7
8
9
10
11
12
N TEMP HI *
N STBY
+5V
+5V
+5V RET / LOGIC GND
+5V RET / LOGIC GND
+5V RET / LOGIC GND
+5V RET / LOGIC GND
+8.5V
+8.5V
+48V
+48V
* V3.5 BOARD PIN 1 = N TEMP HI
V4 BOARD PIN 1 = N AC FAIL
P101
Ret
Figure 55. Ground Path Diagram
Summary of Contents for 6400 Series
Page 2: ......
Page 3: ...S246 0117 06...
Page 28: ...28 Installation...
Page 34: ...34 Preventive Maintenance...
Page 54: ...54 Principles of Operation...
Page 190: ...190 Adjustment Procedures...
Page 292: ...292 Replacement Procedures and Illustrated Parts List...
Page 305: ...305 Wire Data Cable Routing Cabinet Model...
Page 307: ...307 Wire Data Cable Routing Pedestal Model...
Page 311: ...311 Wire Data Cable Assembly Card Cage Fan Description Part No 14H5285 PIN 1 PIN 1...
Page 313: ...313 Wire Data Cable Assembly Exhaust Fan Description Part No 14H5286...
Page 314: ...Wire Data 314 Cable Assembly Hammer Bank Logic Description Part No 14H5279...
Page 315: ...315 Wire Data Cable Assembly Hammer Bank Power Description Part No 14H5283 PIN 1 PIN 1...
Page 317: ...317 Wire Data Cable Assembly MPU Description Part No 14H5329 PIN 1 PIN 3 PIN 2 PIN 1...
Page 319: ...319 Wire Data Cable Assembly Ribbon Motor Extension Description Part No 63H7464...
Page 320: ...Wire Data 320 Cable Assembly Shuttle Motor Drive Description Part No 14H5330...
Page 322: ...Wire Data 322 Cable Assembly Centronics DataProducts Adapter Description Part No 14H5522...
Page 323: ...323 Wire Data Cable Assembly 5V Remote Power Description Part No 14H5589...
Page 325: ...325 Wire Data Cable Logic Power Stacker Description Part No 24H8976...
Page 326: ...Wire Data 326 Cable Power Power Stacker Description Part No 24H8975...
Page 327: ...327 Wire Data Cable Vertical Rail Power Stacker Description Part No 24H8964...
Page 328: ...Wire Data 328 Fan Assembly Hammer Bank Description Part No 14H5159 P107 HBF P107 HBF...
Page 329: ...329 Wire Data Magnetic Pickup Assembly Description Part No 57G1476...
Page 330: ...Wire Data 330 Switch Assembly Cover Open Description Part No 14H5282...
Page 332: ...Wire Data 332 Switch Assembly Platen Interlock Description Part No 14H5280 P107 PLO...
Page 344: ...344 Printer Specifications...
Page 348: ...348 Torque Table...
Page 356: ...356 Safety Inspection Guide...
Page 364: ...364 Abbreviations and Signal Mnemonics...
Page 404: ...404 Power Stacker 75 80 85 90 85 80 Figure 84 Stacker Detail Rollers...
Page 412: ...412 Power Stacker...
Page 427: ......
Page 428: ...Copyright IBM Corp 1995 1998 S246 0117 06 07S246011706 b7 24H8887 0724H8887 b7 163983 001A...