Canon iPF750 series Service Manual

Also see for iPF750 series: Service manual Service manual

Contents

Chapter 11-451.7.3 Precautions When Servicing Printer1.7.3.1 Notes on the Data Stored in the Printer 0013-5942iPF750 / iPF755This printer counts the print length, number of ink tank replacements, carriage driving time, number of cleaning operations, number of cutter operations, and so onand stores them in the main controller's EEPROM as a COUNTER in Service mode.COUNTER provides important information about the printer usage status.You can check this information by printing it in the service mode or displaying it on the display.Following the precautions below when servicing the printer.(1) Repairing/replacing the PCBWhen replacing the main controller, follow the specified replacement procedure.For the main controller replacement procedure, see "Disassembly/Reassembly" > "Points to Note on Disassembly and Reassembly" > "Boards".(2) After replacing the carriage unitThe information about the carriage driving time arises in the carriage unit. After replacing the carriage unit, select INITIALIZE > CARRIAGE in the service modeto initialize the information about the carriage driving time.(3) After replacing the purge unitThe information about the number of cleanings arises in the purge unit. After replacing the purge unit, select [INITIALIZE] > [PURGE] in the service mode toinitialize (clear) the information about the number of cleanings.(4) On replacement of suppliesAfter supplies have been replaced, execute [INITIALIZE] > [PARTS COUNTER] > [PARTS xx] in service mode to initialize (clear) the parts counter information.For the consumable parts, see "Maintenance" > "Consumable Parts".You cannot check the counter information once it is initialized (cleared). Be careful not to initialize the counter information before checking it.You cannot modify the counter information from the operation panel.1.7.3.2 Confirming the Firmware Version 0013-5945iPF750 / iPF755Firmware has been downloaded to the main controller.When you have replaced the main controller, check that the firmware is the latest version. If not, update it to the latest version.Reference:For how to up update the main controller, refer to "TROUBLESHOOTING" > "Update".1.7.3.3 Precautions against Static Electricity 0013-5947iPF750 / iPF755Certain clothing may generate static electricity, causing an electrical charge to build up on your body. Such a charge can damage electrical devices.To prevent this, discharge any static buildup by touching a grounded metal fitting before you start disassembling the printer.1.7.3.4 Precautions for Disassembly/Reassembly 0013-5948iPF750 / iPF755The precautions for disassembly/reassembly are described in "Disassembly/Reassembly".1.7.3.5 Self-diagnostic Feature 0013-5950iPF750 / iPF755The printer has a self-diagnostic feature to analyze hardware problems.The self-diagnosis result is shown on the display and indicated by lamps.For detailed information, see "Error Codes".1.7.3.6 Disposing of the Lithium Battery 0013-5952iPF750 / iPF755The main controller PCB of this printer is equipped with a lithium battery to back up various data.Risk of explosion if battery is replaced by an incorrect type.Dispose of used batteries according to the instructions."For CA, USA OnlyIncluded battery contains Perchlorate Material-special handling may apply. Seehttp://www.dtsc.ca.gov/hazardouswaste/perchlorate/ for detail."