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5-28
Confidential
1.4.14 Laser unit test pattern print (Function code 68)
<Function>
This function allows you to print the laser unit test patterns and check if there is any failure in
the laser unit.
<Operating procedure>
(1) Press the
or
button to display “MAINTENANCE 68” on the LCD in the initial state of
the maintenance mode. Then, press the
OK
button. “PRINTING” is displayed on the
LCD, and one laser unit test pattern (refer to the figure below) is printed.
(2) When this operation is completed without an error, “SCANNER CHECK” is displayed on the LCD.
(3) Press the
Cancel
button to return to the printer to the initial state of the maintenance mode.
When an error message is displayed on the LCD, take the measures described in the table below.
* # indicates the toner color (K, Y, M, or C) of which cartridge became empty.
■
Laser unit test pattern
Fig. 5-10
Note:
When printing fails, a relevant error is displayed on the LCD. When the error factors
are removed and the
Go
button is pressed, the printer automatically recovers to the re-
executable state. “PRINTING” is displayed on the LCD, and the laser unit test
pattern is printed on a sheet.
Error message
Measure
TONER EMPTY # *
Replace the empty toner cartridge and press the
Go
button
to clear the error.
Cover is Open
Close the front cover.
No Paper
Replenish paper of the A4-size paper specified in the display
on the tray. Press the
Go
button to clear the error.
Jam Tray1
Remove the jammed paper, and press the
Go
button to clear
the error.
Jam Rear
Summary of Contents for HL-4140CN
Page 19: ...Confidential CHAPTER 1 SPECIFICATIONS ...
Page 29: ...Confidential CHAPTER 2 ERROR INDICATION AND TROUBLESHOOTING ...
Page 145: ...Confidential CHAPTER 3 DISASSEMBLY AND ASSEMBLY ...
Page 169: ...3 21 Confidential 8 DISASSEMBLY FLOW Disassembly Re Assembly second ...
Page 296: ...Confidential CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 311: ...Confidential CHAPTER 5 SERVICE FUNCTIONS ...
Page 336: ...5 23 Confidential Inter color position alignment adjustment chart Fig 5 8 ...
Page 343: ...5 30 Confidential Fig 5 11 ...
Page 345: ...5 32 Confidential Fig 5 12 First side Second side ...
Page 347: ...5 34 Confidential Color test pattern Fig 5 13 MCYK Y C K M YCMK_ _A ...
Page 354: ...5 41 Confidential Maintenance information Fig 5 14 ...
Page 382: ...Confidential CHAPTER 6 CIRCUIT DIAGRAMS WIRING DIAGRAM ...
Page 384: ...6 1 Confidential 1 CIRCUIT DIAGRAMS High voltage Power Supply PCB Circuit Diagram 1 3 ...
Page 385: ...6 2 Confidential High voltage Power Supply PCB Circuit Diagram 2 3 ...
Page 386: ...6 3 Confidential High voltage Power Supply PCB Circuit Diagram 3 3 ...
Page 387: ...6 4 Confidential Low voltage Power Supply PCB Circuit Diagram 100V ...
Page 388: ...6 5 Confidential Low voltage Power Supply PCB Circuit Diagram 200V ...
Page 389: ...6 6 Confidential 2 WIRING DIAGRAM Wiring Diagram ...
Page 390: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE ...
Page 424: ...Confidential APPENDIX 1 SERIAL NUMBERING SYSTEM ...
Page 428: ...Confidential APPENDIX 3 INSTALLING THE MAINTENANCE DRIVER ...
Page 432: ...App 3 4 Confidential 10 Alert warning message appears click Continue Anyway to proceed ...