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Rules to ensure general safety during printer maintenance.
Rules to observe when working on electrical equipment.
Guide to identify unsafe conditions before servicing.
Information on Model A00 user guides and reference materials.
Information on Models 001, 002 user guides and reference materials.
Information on Model 003 user guides and reference materials.
Sequential plan for isolating printer problems and identifying FRUs.
Initial step in MAPs for diagnosing printer issues.
Troubleshooting procedure for Automatic Sheet Feeder failures.
Troubleshooting for parallel or serial communication issues.
Troubleshooting procedure for issues related to paper movement.
Troubleshooting procedure for power supply issues.
Troubleshooting procedure for form feed issues.
Tables of error messages and their corresponding actions for troubleshooting.
Procedures for running print tests and checking firmware.
Instructions for using T&D programs in single or automatic test modes.
List of T&D error messages and their corrective actions.
Contains wiring diagrams for printhead, motors, and cables.
Pin assignments for various attachment connectors.
Provides general information on component locations and orientations.
Diagrams showing microcode module placement on Model A00 logic boards.
Diagrams showing microcode module placement on Models 001/002 attachment cards.
Instructions on preparing the printer for service.
Procedures for checking and adjusting mechanical components.
Service check and adjustment for the carriage drive belt.
Service check and adjustment for the paper feed belt.
Procedure for adjusting the automatic forms thickness.
Removal and installation of the printhead mask.
Removal and replacement procedures for the Model A00 logic board.
Removal and replacement procedures for Models 001 and 002 logic boards.
Removal and replacement of the ribbon drive motor.
Removal and replacement of the ribbon lift motor.
Removal and installation of the sensor cable assembly.
Removal and installation of the main printer mechanical assembly.
Explains how to navigate and use the parts catalog.
Lists major assemblies with their corresponding page numbers.
Information on configuring all 4247 printer models.
Details on power-on and program configuration for Model A00.
Details on configuration for Models 001, 002, and 003.
Information on ribbon cartridges and paper requirements.
Recommendations for selecting forms paths based on operating needs.
Details on acceptable forms and paper types, sizes, and weights.
Specifies operating, nonoperating, and shipping environment conditions.
Procedures for updating or flashing the Model 003 printer's memory.
Step-by-step guide for downloading microcode to the printer.
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General