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Apple Service Level 1 The Macintosh Office Technical Procedures 072-0163 March 1986

From RetroTechCollection

The Macintosh Office Technical Procedures, Apple part number 072-0163. Despite the name, the technical content of this manual is the Apple LaserWriter Printer Technical Procedures and the LaserWriter Plus Technical Procedures - "The Macintosh Office" was Apple's 1985 name for the Macintosh, LaserWriter and AppleTalk bundle, and this is the Level 1 service manual for the printer in it.

It is not a module-exchange document. It is one of the deepest Apple service manuals on this wiki, and it predates Service Source by a decade.

Contents, in Apple's own section numbering

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  • Section 0 - General Introduction (p. 0.3)
  • Section 1 - Basics (p. 1.1) - 1.A Parts of the Printer, diagrams (p. 1.3); 1.B Brief Theory of Operations (p. 1.9); 1.C Printer Specifications (p. 1.10); 1.D Setup and Operation (p. 1.11); 1.E Performance Evaluation: The Printer Test Prints (p. 1.13); 1.F The Toner Cartridge (p. 1.15); 1.G Status Lights (p. 1.17); 1.H Whole Unit Exchange: Packing and Shipping (p. 1.19)
  • Section 2 - Take-Apart (p. 2.1) - 2.A General Information, Equipment Needed for LaserWriter Service (p. 2.3), Main Screw Types, and the disassembly procedures. Items marked with an asterisk are also demonstrated in the videotapes that accompanied the manual.
  • Section 3 - Adjustments (p. 3.1) - 3.A Laser Power Adjustment (p. 3.3); 3.B Image Skew Adjustment (p. 3.7)
  • Section 4 - Troubleshooting (p. 4.1)
  • Section 5 - Preventive Maintenance (p. 5.1) - 5.A General Information; 5.B Service Technician Maintenance Procedure (p. 5.3); 5.C End User Maintenance Procedures (p. 5.15) covering checking, removing, redistributing and installing the toner cartridge, replacing the separation belt (p. 5.21), cleaning the corona wire (p. 5.25) and cleaning the transfer corona wire (p. 5.27); plus an Appendix with the Service Technician Maintenance Procedure Checklist and a LaserWriter Maintenance Record Form
  • Section 6 - Illustrated Parts List (p. 6.1)
  • Appendix - photographs

For LaserWriter Plus kit installation, diagnostics and troubleshooting, Apple directs the reader to the separate LaserWriter Plus tab within the same manual.

Two things to take from it:

  • There is an Illustrated Parts List (Section 6). That is a real parts list with Apple numbers, and it is not present in the Service Source LaserWriter volumes.
  • Apple's own instruction is that the Service Technician Maintenance procedure is performed in full every time the printer is serviced - a published maintenance rule, unlike the invented "every N years" intervals that circulate for vintage hardware.

What this manual does not contain

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No circuit schematic and no component values. The parts list is an illustrated assembly and spares list. Apple notes that part numbers for the adjustments are in the Apple Service Programs Manual price pages rather than here, so numbers quoted from this document may be superseded. The manual repeatedly refers to videotapes that accompanied it; those are not part of this PDF.

Which revision this is

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This copy is the March 1986 revision, 418 pages, and is the fullest scan of this manual on the wiki. Its title page reads "THE MACINTOSH OFFICE TECHNICAL PROCEDURES P/N: 072-0163 ... Revision: March 1986". The individual sections carry their own revision dates (Basics rev. Sep 85, Adjustments rev. Mar 86, Preventive Maintenance appendix rev. Feb 85), which is normal for a loose-leaf Apple service manual.

The other copies here:

Pages that cite this document

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Download: Apple Service Level 1 The Macintosh Office Technical Procedures 072-0163 March 1986.pdf

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