Epson C 2900 Manual

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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 

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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...

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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....

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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 

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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 

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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 

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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...

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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...

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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...

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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...