Toshiba MJ-1027 Service Manual page 4

This Service Manual contains basic data and figures for the Finisher (MJ-1027)/Saddle
Stitch Finisher (MJ-1028) needed to service the machine in the field.
This manual comprises the following chapters:
Chapter 1 "General Description" introduces the finisher's features, specifications, and
names of parts, and shows how to operate the finisher.
Chapter 2 "Finisher Unit Basic Operation" discusses the principles of operation used for
the finisher mechanical and electrical systems. It also explains the timing at
which these systems are operated.
Chapter 3 "Saddle Stitch Finisher Unit Basic Operation" discusses the principles of op-
eration used for the saddle stitcher unit's mechanical and electrical systems.
It also explains the timing at which these systems are operated.
Chapter 4 "Mechanical System" discusses how the finisher is constructed mechanically,
and shows how it may be disassembled/assembled and adjusted.
Chapter 5 "Maintenance and Inspection" provides tables of periodically replaced parts
and consumables and durables, together with a scheduled servicing chart.
Chapter 6 "Troubleshooting" shows how to troubleshoot possible faults and gives electri-
cal parts arrangement diagrams, LED/check pin diagrams by PCB, and self
diagnosis tables.
"Appendix" contains diagrams showing tables of signals, overall circuit dia-
grams and tables of solvents/oils.
Descriptions regarding installation are not mentioned in this Service Manual as the
Finisher (MJ-1027)/Saddle Stitich Finisher (MJ-1028)'s packing boxes contain Installation
Procedures.
The descriptions in this Service Manual are subject to change without notice for prod-
uct improvement or other purposes, and major changes will be communicated in the form
of Service Information bulletins.
All service persons are expected to have a good understanding of the contents of this
Service Manual and all relevant Service Information bulletins, and be able to identify and
isolate faults in the machine.
INTRODUCTION
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