Chapter 1414-24a-2. Digital Certificate Setting screen > enter the date for [Start Date of Validity] > enter the date for [End Date of Validity] > enter one of the following:[Country Name]. [State], [City], Organization], [Organztion Unit], and [Shared Name] > press [Start Key Generation].a-3. Press [Done] to close the User mode screen.a-4. Turn OFF the control panel switch and the main power switch. 10 seconds or more later, turn the main power switch ON.b. Setting the default key pairb-1. User mode > System Settings > Network Settings > TCP/IP Settings > Certificate Settings > Key and Certificate List > select the key generated in thestep [a] > Default Key Settingsb-2. Press [Done] to close the User mode screen.b-3. Turn OFF the control panel switch and the main power switch. 10 seconds or more later, turn the main power switch ON.14.2.2.7.2 What is key pair?0009-9824iR2270 / iR2870 / iR3570 / iR4570 / / / / / iR2230 / / / iR3530 / / / /[ Inspected by Canon Inc. ]DescriptionIt is necessary to generate and register a key pair in order to use encrypted SSL communication. This machine has the preinstalled key pair and this key pairenables you to use encrypted SSL communication for IPP printing, e-mail and I-faxes, the Remote UI, and delivery device information.14.2.2.7.3 BootROM writing error: Because main power switch is turned off when Boot software is being downloaded from servicesupport tool (SST)0010-4166iR2270 / iR2870 / iR3570 / iR4570 / / / / / iR2230 / / / iR3530 / / / /[ Case in the field ]DescriptionNever turn the main power switch OFF when BOOT software is being downloaded from SST.In the field, the symptom occurred because the caution displayed on the LCD was misunderstood and the main power switch was turned OFF while Bootsoftware was being downloaded from SST. The symptom was not corrected even when the software was downloaded again.F-14-18Field RemedyWhen the symptom occurs, replace the BootROM with a new one, and then download the software again from SST.14.2.2.7.4 Tray B is not displayed on Tray Designation screen under User Mode: After installing Inner 2-Way Tray-D10010-4168iR2270 / iR2870 / iR3570 / iR4570 / / / / / iR2230 / / / iR3530 / / / /[ Case in the field ]Description1. In service mode [COPIER > OPTION > ACC], set "1" in [IN-TRAY].2. Press and hold the control panel switch for more than three seconds, and then turn the main power switch OFF/ON.3. In user mode [Common Settings > Tray Designation], check to make sure that Tray B is added to the tray designation menu in the Tray Designation screen.14.2.2.7.5 LCD on control panel does not come on remaining black (the main power indicator alone comes on ): Because PS controllerassembly is faulty0010-4171iR2270 / iR2870 / iR3570 / iR4570 / / / / / iR2230 / / / iR3530 / / / /[ Inspected by Canon Inc. ]DescriptionAs a result of inspection, it was found that the symptom is solved by replacing the PS controller assembly with a new one.Field RemedyWhen the symptom occurs, follow the procedure below.1. Connect the red lead terminal of a tester to J303-1 of the main power supply PCB and the black lead terminal to the ground and make sure that 13V DC isnot placed there.2. Turn the main power switch OFF, remove the connector that is connected to J302 (Two-pin connector) on the main power supply PCB, and then turn themain power switch ON.3. Using the test, make sure that 13V DC is placed between J303-1 on the main power supply PCB and the ground.4. If 13V DC is placed there, replace the PS controller assembly with a new one.FM2-2764 PS Controller AssemblyFM2-0260 Main Power Supply PCB Assembly (100V/120V)FM2-0245 Main Power Supply PCB Assembly (230V)