Confidential
9-53
P-3
Unable to print full pages of a document with the “MEMORY FULL” message.
User Check
(1) Press the
Start
key on the control panel to print the data remaining in the machine.
(2) Reduce the complexity of your document or reduce the machine resolution.
NOTE:
This problem may appear if the data is too complex.
Possible cause
Step
Check
Result
Remedy
Main PCB
failure
1 Is it possible to print after
reducing the data of a
document?
Yes Replace the main PCB.
P-4
Headers or footers are not printed out even though they are viewed on PC screen.
User Check
Most laser printers have a restricted area that cannot be printed on. Usually the first two lines
and last two lines of text cannot print (leaving 62 printable lines). Adjust the top and bottom
margins in your document to allow for this.
P-5
The machine sometimes prints a couple of characters and then ejects the page.
User Check
(For DOS environment only)
The application machine emulation setting and the machine’s emulation do not match. Check in
the application software which machine you have selected to make sure the machine is set up
correctly. Remember that the machine emulates widely used machine selections:
HP Laser Jet 6P, HP Laser Jet 6P, Epson FX-850, IBM proprinter XL
Try setting the machine into HP emulation and then select the HP LaserJet 6P printer in the
application software.
Summary of Contents for MFC-9420CN
Page 1: ...Confidential FACSIMILE EQUIPMENT SERVICE MANUAL MODELS MFC 9420CN ...
Page 16: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...
Page 22: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 33: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 48: ...Confidential 3 1 4 CBV DBV Fig 3 16 Y M C K Fig 3 17 ...
Page 69: ...Confidential 3 3 5 Fig 3 35 ...
Page 73: ...Confidential 3 3 9 3 Interface Circuit Printer side Fig 3 38 ...
Page 82: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Page 85: ...Confidential 4 2 Cover page sample End page sample Fig 4 1 ...
Page 86: ...Confidential CHAPTER 5 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 94: ...Confidential 5 5 5 1 1 AC Cord 1 Disconnect AC cord from the machine Fig 5 1 AC cord Machine ...
Page 175: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 203: ...Confidential CHAPTER 7 CLEANING ...
Page 205: ...Confidential CHAPTER 8 MAINTENANCE MODE ...
Page 213: ...8 6 Confidential Fig 8 2 Scanning Compensation Data List a b c d e f g h i j k l m n q ...
Page 224: ...8 17 Confidential Cover page sample End page sample Fig 8 8 ...
Page 255: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...
Page 279: ...Confidential 9 23 2 Image failure 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
Page 280: ...Confidential 9 24 15 a 15 b 16 17 18 19 20 21 22 23 24 25 Fig 9 1 ...
Page 325: ...App 1 5 Confidential 6 Transfer Unit X X X X X X 7 1 2 3 Location SERIAL NO YEAR MONTH DATE ...
Page 398: ...B Power Supply PCB 100V 127V Confidential ...