Canon iPF720 - imagePROGRAF Color Inkjet Printer, Руководство по обслуживанию

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Chapter 1
1-37
1.7.3 Precautions When Servicing Printer
1.7.3.1 Notes on the Data Stored in the Printer
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This printer counts the print length, number of ink tank replacements, number of cleaning operations, number of cutter operations, and so on and stores them in the
main controller's EEPROM as a service mode counter.
This 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 PCB
When 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 purge unit
The information about the number of cleanings arises in the purge unit. After replacing the purge unit, select [INITIALIZE] > [PURGE] in the service mode to
initialize (clear) the information about the number of cleanings.
(3) On replacement of supplies
After 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
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Firmware 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
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Certain clothing may generate static electricity, causing an electrical charge to build up on your body. Such a charge can damage electrical devices or change their
electrical characteristics.
Before disassembling the printer for servicing, discharge any static buildup by touching a grounded metal fitting or the like.
1.7.3.4 Precautions for Disassembly/Reassembly
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The precautions for disassembly/reassembly are described in "Disassembly/Reassembly".
1.7.3.5 Self-diagnostic Feature
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The 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
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The 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 Only
Included battery contains Perchlorate Material-special handling may apply. See
http://www.dtsc.ca.gov/hazardouswaste/perchlorate/ for detail."