This manual describes functions, theory of electrical and mechanical operations, maintenance, and repair of DLQ-3500, DLQ-3500K, DLQ-3250K.
The instructions and procedures included herein are intended for the experience repair technician, and
attention should be given to the precautions on the preceding page.
The chapters are organized as follows:
CHAPTER 1. PRODUCT DESCRIPTION
Provides a general product overview, lists specifications, and illustrates the main components of the printer.
CHAPTER 2. OPERATING PRINCIPLES
Describes the theory of printer operation.
CHAPTER 3. DISASSEMBLY AND ASSEMBLY
Includes a step-by-step guide for product disassembly and assembly.
CHAPTER 4. ADJUSTMENTS
Includes a step-by-step guide for adjustment.
CHAPTER 5. TROUBLESHOOTING
Provides Epson-approved techniques for adjustment.
CHAPTER 6. MAINTENANCE AND LUBRICATION
Describes preventive maintenance techniques and lists Lubricants and adhesives required to service the equipment.
APPENDIX
Describes connector pin assignments, circuit diagrams, circuit board component layout and exploded diagram.
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