REV.-A
PREFACE
This manual describes functions, theory of electrical and mechanical
operations, maintenance, and repair of the
LQ-870/l
170.
The instructions and procedures included herein are intended for the
experienced repair technician,
and attention should be given to the
precautions on the preceding page. The chapters are organized as follows:
Chapter 1 -
Provides a general product overview, lists specifications,
and illustrates the main components of the printer.
Chapter 2 -
Describes the theory of printer operation.
Chapter 3 -
Includes a step-by-step guide for product disassembly and
assembly.
Chapter 4 -
Includes a step-by-step guide for adjustment.
Chapter 5 -
Provides Epson-approved techniques for troubleshooting.
Chapter 6 -
Describes preventive maintenance techniques and lists
lubricants and adhesives required to service the equipment.
‘
The contents of this manual are subject to change without notice.
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iv -
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