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IBM 6400 Series Maintenance Manual
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278
Replacement Procedures and Illustrated Parts List
Item
No.
Part No.
(Order No.)
Description
Notes
1
57G1476
Magnetic Pickup Assy (MPU)
2
Ref
Screw
, Socket Cap, 6–32x.38
3
30H3985
Extension Spring
4
14H5329
Cable Assembly
, MPU
277
279
Table of Contents
Table of Contents
5
Default Chapter
10
Electrical Safety
10
Trademarks and Service Marks
11
Safety Notices
12
1 Maintenance Overview
13
About the Printer
13
The IBM 6400 Series Printer Family
13
How to Identify the Printer
15
Printer Evolution
15
Important Maintenance Notes
16
About this Manual
16
How to Use this Manual
16
Notes and Notices
16
Printing Conventions in this Manual
18
Related Documents
18
Controls and Indicators
20
Electrical Controls and Indicators
20
Mechanical Controls and Indicators
24
Tools, Test Equipment, and Supplies
26
2 Installation
27
3 Preventive Maintenance
29
Cleaning the Printer
29
Cleaning the Exterior
30
Cleaning the Interior
30
Cleaning the Shuttle Frame Assembly
31
Cleaning the Card Cage Fan Assembly
33
4 Principles of Operation
35
Line Matrix Printing
35
Printing Mechanism
38
Shuttle Frame Assembly
38
Paper Transport System
41
Ribbon Transport System
42
Logical Control of the Printer
43
Operator Panel
44
CMX Controller Board
45
Data Controller
47
Engine Controller
50
Power Supply Board
51
Printer Interface
52
Graphics
53
Troubleshooting
55
Default Chapter
55
Introduction
55
Troubleshooting Aids
55
Start of Call
56
Troubleshooting Display Messages
57
Message List
58
Troubleshooting Other Symptoms
66
General Symptom List
67
Troubleshooting Procedures
70
Communications Failures
133
Operator Print Tests
135
Selecting and Running Operator Print Tests
137
Customer Engineer (CE) Tests
138
Selecting and Running Customer Engineer Tests
140
Boot Diagnostics Menu
142
Hex Code Printout
145
ASCII Character Set
147
Printer Information Menu
148
Displaying Printer Information
149
Soft Vs. Hard Reset
150
The Power on Sequence
151
6 Adjustment Procedures
157
Introduction
157
Preparing the Printer for Maintenance
158
Returning the Printer to Normal Operation
159
Belt, Paper Feed Timing, Adjustment
160
Belt, Platen Open, Adjustment
162
Paper Drive Motor Pulley Alignment
164
Paper Scale Alignment
166
Platen Gap Adjustment
168
Platen Open Motor Pulley Alignment
170
Ribbon Guide Alignment
172
Splined Shaft Skew Adjustment
174
Adjusting the End of Forms Distance
175
Hammer Phasing
179
Loading Flash Memory
181
Coil Temperature Adjustment
188
Set Shuttle Speed
189
7 Replacement Procedures and Illustrated Parts List
191
Organization of this Chapter
191
Section I: Replacement Procedures
192
Preparing the Printer for Maintenance
194
Belt, Paper Feed Timing
195
Belt, Platen Open
197
Cable Connectors and Connector Shells
198
Circuit Board: Controller
200
Circuit Board: Power Supply
203
Circuit Breaker
204
Coax/Twinax Multi-Platform Interface
205
Cover Assembly, Hammer Bank / Ribbon Mask
206
Cover Assembly, Shuttle
209
Cover Assembly, Top, Pedestal Model
210
Doors, Cabinet, Reversal
211
Ethernet Interface Assemblies
212
Fan Assembly, Cabinet Exhaust
215
Fan Assembly, Card Cage
216
Fan Assembly, Hammer Bank
217
Hammer Spring Assembly
218
IBM Coax/Twinax Expansion Board
222
Magnetic Pick-Up (MPU) Assembly
223
Memory Modules and Security PAL
224
Security Module
224
Motor Assembly, Paper Feed
227
Motor Assembly, Platen Open
229
Motor Assembly, Ribbon Drive
231
Network Print Server
232
Operator Panel Assembly, Cabinet Model
233
Operator Panel Assembly, Pedestal Model
234
Paper Guide Assembly
235
Paper Ironer
236
Platen
237
Resistors, Terminating
242
Ribbon Guide Assembly (L/R)
244
Ribbon Hub
245
Shaft, Splined
246
Shaft, Support
248
Shuttle Frame Assembly
249
Spring Assembly, Gas
251
Spring, Extension
252
Switch Assembly, Cover Open
253
Switch Assembly, Paper Detector
254
Switch Assembly, Platen Interlock
256
Tractor (L/R)
258
Section II: Illustrated Parts List
259
Figure 39. Top Cover, Doors, and Casters, Cabinet Model
261
Figure 40. Paper Stacker and Chains
263
Figure 41. Control Panel and Cabinet Details
265
Figure 42. Pedestal Details
267
Figure 43. Inside Covers, Cabinet Model
269
Figure 44. Inside Covers and Card Cage, Pedestal Model
271
Figure 44A. Card Cage Detail, Pedestal Model
273
Figure 45. Print Mechanism and Circuit Boards: Early Models
275
Figure 46. Print Mechanism and Circuit Boards: Later Models
277
Figure 47. Magnetic Pickup Unit (MPU) and Extension Spring
279
Figure 48. Tractor Shafts
281
Figure 49. Platen
283
Figure 50. Motors, Card Cage Fan, and Paper Detector Switch
285
Figure 51. Circuit Breaker
287
Figure 52. Expansion Coax/Twinax Board
289
Figure 52. IBM Coax/Twinax Expansion Board
289
Figure 53. Ethernet Interface Assemblies
291
Wire Data
293
Appendix A: Wire Data
293
NOTE: Acronyms and Signal Mnemonics Are Defined in Appendix F.
295
IBM 6400 Interconnection Diagram
295
IBM 6400 Power Distribution Diagram
296
IBM 6400 Main Wire Harness Test Tables
297
Controller, CMX
298
Power Supply
302
Expansion Coax/Twinax
303
Surestak Power Stacker Control Panel PCBA
304
Cable Routing
305
Cabinet Model
305
Cabinet Model, Mechanism Base
306
Pedestal Model
307
Pedestal Model, Mechanism Base
308
AC In, Power Supply
309
AC Power Input
310
Card Cage Fan
311
Operator Panel
312
Exhaust Fan
313
Hammer Bank Logic
314
Hammer Bank Power
315
I/O, Centronics
316
Mpu
317
B Printer Specifications
333
Paper Specifications
334
Environmental Characteristics
335
Printer Dimensions
335
Electrical Characteristics
336
Input Voltage
336
Power Consumption
336
Duty Cycle
341
Printing Rates
342
Printer Specifications
343
C Metric Conversion Tables
345
D Torque Table
347
E Safety Inspection Guide
349
Prepare the Printer for Inspection
350
Inspect Mechanical Parts
351
Inspect Electrical Parts
352
Safety Inspection Guide
353
F Abbreviations and Signal Mnemonics
357
G Cords and Adapters
365
H Part Numbers
367
I Noise Suppression Devices
375
Surestak** Power Stacker
377
Contents of this Appendix
377
Introduction
377
J Surestak Power Stacker
377
Removing the Power Stacker
378
Installing the Power Stacker
383
Constant Force Spring
393
Timing Belts
396
Replacing the Timing Belts
396
Illustrated Parts Breakdown
399
Index
413
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IBM 6400 Series Specifications
General
Brand
IBM
Model
6400 Series
Category
Printer
Language
English
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