Epson C 2900 Manual
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2 - 33 Chapter 2 Operation of Diagnostic
Epson AcuLaser C2900NRevision B
Confidential - NVM Settings
Under the [NVM Setting] menu, do not use [Edit NVM] and [Initialize Slave], because these operations
handle internal area.
Perform only the following menu operations.
-SaveNVM to ESS
Saves the internal data of PWBA MCU to PWBA ESS temporarily when PWBA MCU needs to
be replaced due to a trouble, etc.
-LoadNVM to ESS
Loads the internal data saved via [SaveNVM to ESS] to the new PWBA MCU.](http://img.usermanuals.tech/thumb/23/100561/w64_c-2900-manual-1509489781_d-236.png "Page 237
2 - 33 Chapter 2 Operation of Diagnostic
Epson AcuLaser C2900NRevision B
Confidential - NVM Settings
Under the [NVM Setting] menu, do not use [Edit NVM] and [Initialize Slave], because these operations
handle internal area.
Perform only the following menu operations.
-SaveNVM to ESS
Saves the internal data of PWBA MCU to PWBA ESS temporarily when PWBA MCU needs to
be replaced due to a trouble, etc.
-LoadNVM to ESS
Loads the internal data saved via [SaveNVM to ESS] to the new PWBA MCU.")
2 - 37 Chapter 2 Operation of Diagnostic Epson AcuLaser C2900NRevision B Confidential 4.5.4 Grid 2 ESS Prints the ESS built-in grid pattern. When a PQ problem occurs, this test isolates the trouble to the printer or other causes by comparing the print with the sample chart. Check result: NG (Check the print process and PWBA ESS.) OK (Check the network, cable, PC, etc.) Leg_Sec02_004FA
2 - 38 Chapter 2 Operation of Diagnostic Epson AcuLaser C2900NRevision B Confidential 4.5.5 Cyan 20% ESS Outputs the cyan 20% density solid pattern on the whole area of an A4 sheet. When a PQ problem occurs, this test isolates the problem to the cyan toner or other color toners by comparing the print with the sample chart. Check result: NG (Check the cyan toner.) OK (Check other color toners.) 4.5.6 Magenta 20% ESS Outputs the magenta 20% density solid pattern on the whole area of an A4 sheet. When a PQ problem occurs, this test isolates the problem to the magenta toner or other color toners by comparing the print with the sample chart. Check result: NG (Check the magenta toner.) OK (Check other color toners.) Leg_Sec02_005FA Leg_Sec02_006FA
2 - 39 Chapter 2 Operation of Diagnostic Epson AcuLaser C2900NRevision B Confidential 4.5.7 Yellow 20% ESS Outputs the yellow 20% density solid pattern on the whole area of an A4 sheet. When a PQ problem occurs, this test isolates the problem to the yellow toner or other color toners by comparing the print with the sample chart. Check result: NG (Check the yellow toner.) OK (Check other color toners.) 4.5.8 Black 20% ESS Outputs the black 20% density solid pattern on the whole area of an A4 sheet. When a PQ problem occurs, this test isolates the problem to the black toner or other color toners by comparing the print with the sample chart. Check result: NG (Check the black toner.) OK (Check other color toners.) Leg_Sec02_007FA Leg_Sec02_008FA
2 - 40 Chapter 2 Operation of Diagnostic Epson AcuLaser C2900NRevision B Confidential 4.5.9 CMY 20% ESS Outputs C/M/Y 20% density solid pattern on the whole area of an A4 sheet. When a PQ problem occurs, this test isolates the problem to the imbalance of C/M/Y toners or the black toner by comparing the print with the sample chart. Check result: NG (Check the yellow, magenta, and cyan toners.) OK (Check the black toner.) Leg_Sec02_009FA
2 - 41 Chapter 2 Operation of Diagnostic Epson AcuLaser C2900NRevision B Confidential 4.5.10 Gradation ESS Outputs the gradation pattern of 2 to 100% density on an A4 sheet for each of the four colors. When a PQ problem occurs, this test isolates the problem to the print process or PWBA ESS by com- paring the sample chart with the print. Check result: NG (Check the print process.) OK (Check the PWBA ESS.) Leg_Sec02_010FA
2 - 42 Chapter 2 Operation of Diagnostic Epson AcuLaser C2900NRevision B Confidential 4.5.11 Toner Pallet Outputs the 100% density color pattern of C/M/Y/K. When a PQ problem occurs, this test isolates the problem to the toner or otherwise by comparing the sample chart with the print. Check result: NG (Check the toner.) OK (Check the print job or print data.) Leg_Sec02_011FA
2 - 43 Chapter 2 Operation of Diagnostic Epson AcuLaser C2900NRevision B Confidential 4.5.12 Stain Check Allows you to check the print for any regular lines or toner spots when encountering PQ problems. From the interval of regular lines or spots, you can determine the parts that have caused the problem. Page 1 to 4: Outputs the scale patterns in vertical and horizontal directions for evaluating regularity and intervals. Page 5: Outputs the correspondence between interval and faulty component. 4.6 Parameter Page 1 Page 2 Page 3 Page 4 Page 5 Wsb02027KA 13 Wsb02028KA 13 Wsb02029KA 13 Wsb02030KA 13 Tbt02072KA
2 - 44 Chapter 2 Operation of Diagnostic Epson AcuLaser C2900NRevision B Confidential This function reads/writes the following parameters stored in the printer. 4.6.1 Executing Parameter (Registration Adjustment) 1) Turn off the power. 2) Turn on the power while holding down S and T keys. 3) Release the fingers from these keys when the CE Mode and Password is displayed. 4) Press T key twice and press OK key. 5) The CE Mode and ESS Diag are displayed. (Entered the Diag. mode.) 6) Press T to select Parameter, and then press OK key. 7) Press S and T key to select the Adjustment item, and then press OK key. The current registration adjustment value is displayed.(The value is changed with S and T key.) 8) Press OK key to execute the setting. To exit the test or to returning to one step higher menu, press STOP key. Print the parameter list using the Print function of Parameter Menu in diagnosis before changing the value of the registration.Item Range Description Slow Scan K to P -128 to 127Sets the registration in the paper feeding direction. Slow Scan 600 M,Y,C First Scan K to M,Y or C -128 to 127 Sets the registration in the scanning direc- tion. First Scan SSI, Tray 1, Tray 2, Duplex -30 to 30 First Scan 2 K to M,Y or C -1 to 2
2 - 45 Chapter 2 Operation of Diagnostic Epson AcuLaser C2900NRevision B Confidential Fast Scan K to M, Y, C Fast Scan 2 K to M, Y, C Fast Scan SSI, Tray1, Tray2, Duplex Shifts the print area in this direction by reducing the value. Shifts the print area in this direction by reducing the value. Shifts the print area in this direction by increasing the value.Shifts the print area in this direction by increasing the value. Slow Scan K to P Slow Scan 600 M, Y, C Image Side Default ValueDefault Value MiS02071KA
2 - 46 Chapter 2 Operation of Diagnostic Epson AcuLaser C2900NRevision B Confidential 4.6.2 Executing Parameter (Life Counter) 1) Turn off the power. 2) Turn on the power while holding down S and T keys. 3) Release the fingers from these keys when the CE Mode and Password is displayed. 4) Press T key twice and press OK key. 5) The CE Mode and ESS Diag are displayed. (Entered the Diag. mode.) 6) Press T to select Parameter, and then press OK key. 7) Press S and T key to select the Life Counter item, and then press OK key . 8) Press OK key to execute the setting. The current life counter value is displayed. To exit the test or to returning to one step higher menu, press STOP key. - Reference Counter Values These counter values are reference only. Do not use as the official value. Counter Name Value of life warning Life Y Toner Std.:1000/High:2500 Life M Toner Std.:1000/High:2500 Life C Toner Std.:1000/High:2500 Life K Toner Std.:1000/High:3000 Life Fuser Unit 50000 Life Printer 100000 Life DTB (Transfer Belt) - Life Y Waste Toner - Life M Waste Toner - Life C Waste Toner - Life K Waste Toner - Life Y Drum 24000 Life M Drum 24000 Life C Drum 24000 Life K Drum 24000 Life Drum Xero - Life Drum Deve K - Life SSI Sheet - Life Tray 1 Sheet - Life Tray 2 Sheet - Life Duplex Sheet - Life Custom In - Life Custom Out -