Epson 890N Service Manual - Page 67

EPSON FX-890/2190 4.1.3 Service Check After Repair After completing repair of the product, use the check list shown below to check the status of the repaired product and overall repair work performed before returning the product to the users. This list can be used as a record of all service works performed with the product. Table 4-2. Repair Status Check List Category Component Printhead Item to Check Do all wires print properly? Status † Checked, OK † Not necessary Carriage Mechanism Dose the carriage move smoothly? † Checked, OK • Noisy † Not necessary • Any dirt or excessive oil? Is the CR Motor at the normal temperature? (Not too hot?) † Checked, OK † Not necessary Paper Feed Mechanism Printer Mechanism Paper Path Ribbon Mask Does paper advance smoothly? * Noisy? * Paper is jamming? † Checked, OK † Not necessary Is the PF Motor at the normal temperature? (Not too hot?) † Checked, OK † Not necessary Do all types of paper advance smoothly? Is the tractor feeding paper smoothly? Are all paper paths clear of obstructions? † Checked, OK † Not necessary † Checked, OK † Not necessary † Checked, OK † Not necessary Is the plate free of damage? † Checked, OK † Not necessary † Checked, OK Is the ribbon mask free of damage? † Not necessary Revision B Category Operation Table 4-2. Repair Status Check List (continued) Component Self-Test Item to Check Was the self-test printing successful? Status † Checked, OK † Not necessary On-line Test Was the on-line printing successful? † Checked, OK † Not necessary Adjustment Platen-Gap Is the gap adjusted correctly? (PG = 0.38 ( 0.02mm ) † Checked, OK † Not necessary Bi-D Alignment Is the Bi-Directional alignment made properly? † Checked, OK † Not necessary ROM Packing Version Latest version = Ribbon Cartridge Has the ribbon cartridge been removed from the printer? † Checked, OK † Not necessary † Checked, OK † Not necessary Attachments Have all relevant attachments been † Checked, OK packed together with the printer? † Not necessary Disassembly and Assembly Overview 67