Epson 2070 Service Manual - Page 80

Disassembly and Assembly LQ-2070 Service Manual 3.1.3 Service Checks After Repair Before returning the printer after service, use the check list in Table 3-3, which provides a record to make servicing and shipping more efficient. Table 3-3. Inspection Check List for the Repaired Printer Category Component Item to Check Printer units Printhead Are any wires broken? Are any wires worn out? Carriage Does the carriage move smoothly? mechanism Movement noisy Mechanism dirty Mechanism oily Is the CR motor at the correct temperature (not overheating)? Paper Is paper advancing smoothly? advance Movement noisy Mechanism dirty mechanism Mechanism oily Paper path Is the paper feed motor running at the correct temperature (not overheating)? Is the type of paper in the printer feeding smoothly? Is the tractor feeding the paper correctly? Is the paper path clear of all obstructions? Ribbon mask Self-test Is the platen free of damage? Is the ribbon mask free of distortion? Was the self-test successful? On-line test Was the on-line test successful? Adjustment Printhead printing Is the platen gap adjusted correctly? Is the bidirectional print position adjusted correctly? Default settings Have user-changeable settings been reset to the default values? System upgrade ROM version ROM version ________. Shipment Has the ribbon been removed? Have all relevant parts been included in the shipment? Is Check Required? Checked Checked Checked Not necessary Not necessary Not necessary Checked Not necessary Checked Not necessary Checked Not necessary Checked Not necessary Checked Not necessary Checked Not necessary Checked Not necessary Checked Not necessary Checked Checked Checked Checked Not necessary Not necessary Not necessary Not necessary Checked Not necessary Checked Not necessary Checked Not necessary Checked Not necessary 3-2 Rev.A