Brother HL-4000CN, Service Manual

Page: 283 / 345

V-73
10. TEST PRINT
10.1 Test Print
Function: Printing an internal test pattern of the printer
Operation procedure:
1. While pressing the and buttons together, turn the power on to enter the Diag.
mode.
2. Enter the password.
(Password: Press the button twice and the Form Feed/Set button.)
3. Go advance to [Test Print] with the and buttons.
4. Press the Form Feed/Set button to advance to diagnostic menu selection in [Test
Print].
5. Select a test pattern with the and buttons.
(For the contents of the test print patterns, refer to the table below.)
6. Press the Form Feed/Set button to determine the selection.
7. Press the Form Feed/Set button again to execute test printing.
(The LCD panel displays [Processing].)
8. After outputting the test print, the printer becomes Ready to Print state.
(The LCD panel displays [Ready to Print].)
Test Print
No. Pattern Description
1 No Image [IOT] Feeds and outputs paper with no image.
2 Grid Blank paper (MCU: No Support)
3 Grid2 [ESS] Outputs an ESS internal grid pattern.
4 H Patt 600[IOT] Outputs an IOT internal 600-dpi pattern.
5 H Patt 1200[IOT] Blank paper (MCU: No Support)
6 Cyan 20% [ESS] Outputs an A4 solid pattern of 20% cyan.
7 Magenta20% [ESS] Outputs an A4 solid pattern of 20% magenta.
8 Yellow 20% [ESS] Outputs an A4 solid pattern of 20% yellow.
9 Black 20% [ESS] Outputs an A4 solid pattern of 20% black.
10 CMY 20% [ESS] Outputs an A4 solid pattern of 20% C.M.Y each.
11 Gradation [ESS] Outputs 100% to 2% gradation patterns to A4
sheets in four colors.
12 NIP adjust [A4L] Outputs the NIP adjustment pattern to A4LEF.
13 P Regi Adj Chart [ESS] Outputs the Paper feed registration correction
chart to A4 sheets.