Canon PIXMA iP4000R Service Manual - Page 11

2-3. Warnings Printer (no LED indications): Displayed warning Low ink of 3eBK, 6C, 6M, 6Y, or 6BK (at detection Status indication only. of no remaining raw ink) Remarks Print head temperature rise If the print head temperature is high when the access cover is opened, the warning is displayed*1. When the print head temperature falls, the warning is released. Protection of excess rise of the print head temperature If the print head temperature exceeds the specified limit, a Wait is inserted during printing, *1: If the warning is displayed, the carriage does not move to the ink tank replacement position when the access cover is opened. 2-4. Troubleshooting by Symptom Symptom The power does not turn on. The power turns off immediately after power-on. Replace the - AC adapter, or - logic board ass'y*1. Solution The print head is not recognized. Faulty operation The print head does not move to the home position. Remove and re-install the print head, or replace the - print head, or - logic board ass'y*1. A strange noise occurs. Printing stops mid-way. Multiple sheets feed. Paper feed problems Paper does not feed. Paper feeds at an angle. No printing, or no color ejected. Remove foreign material, or attach a removed part if any. Replace the logic board ass'y*1. Replace the - sheet feed unit, - cassette. Remove foreign material, or replace the - sheet feed unit, or - cassette. Remove foreign material, or replace the - sheet feed unit, or - cassette. Replace the - ink tank, - print head*2, - logic board ass'y*1, or - purge unit. Printing is faint, or white lines appear on printouts even after print head cleaning. Line(s) not included in the print data appears on printouts. Unsatisfactory print quality Paper gets smeared. Remove and re-install the print head, or replace the - ink tank, - print head*2, - purge unit, or - logic board ass'y*1. Feed several sheets of paper, perform bottom plate cleaning, or clean the paper path with cotton swab or cloth. A part of a line is missing on printouts. Replace the - ink tank, or - print head*2. Color hue is incorrect. Replace the - ink tank, or - print head*2, or perform print head alignment. 1 - 6 Remarks