9 - 3 2
Confidential
Problem
Action to be taken
(7) Ink splash
Printer
• Perform the head purging operation several times to remove
dust or air bubbles from its nozzles.
• Check the ink cartridges. Any of them has run out of ink or the
ink viscosity has been increased, so replace it.
• Replace the head/carriage unit.
• Replace the main PCB.
• Replace the power supply PCB.
• Replace the maintenance unit.
(8) Print edges not aligned
Printer
• Check the alignment of vertical print lines using maintenance-
mode function code 65. (Refer to
• Check the head/carriage unit.
• Check the CR encoder strip for stains or scratches. (If the CR
encoder strip is not hooked properly, correct it.)
• Correct the positioning error of the head/carriage unit. (Refer to
Chapter 6, Section 6.2, [ 4 ].
)
(9) Random missing dots
Printer
• Perform the head purging operation several times to remove
dust or air bubbles from its nozzles.
• Check the ink cartridges. If any cartridges have run out of ink,
replace them.
• Check that the carriage-head flat cable is connected to the
carriage PCB.
• Replace the head/carriage unit.
• Check the connection of the head flat cables on the main PCB.
(If either of those cables is broken or damaged, replace it.)
• Replace the main PCB.
• Clean the head caps and wiper of the maintenance unit with a
Rubycel stick. For the cleaning procedure, refer to
Section 7.1 "CLEANING THE MAINTENANCE UNIT."
• Replace the maintenance unit.
Содержание FAX 1840C
Страница 1: ...Confidential FACSIMILE EQUIPMENT SERVICE MANUAL MODELS MFC3340CN 3240C FAX1940CN 1840C 1835C ...
Страница 9: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...
Страница 18: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Страница 50: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Страница 91: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Страница 96: ...Confidential CHAPTER 5 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 140: ...5 42 Confidential n Reassembling Notes Route the battery harness beneath the ink supply tubes as shown below ...
Страница 167: ...5 69 Confidential Viewed from the left ...
Страница 171: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 189: ...6 16 Confidential Paper Feeding Check Patterns for the Paper Feed Roller and Paper Ejection Roller A Þ B Þ ...
Страница 191: ...6 18 Confidential Vertical Alignment Check Patterns ...
Страница 193: ...6 20 Confidential Margin Check Pattern ...
Страница 202: ...Confidential CHAPTER 7 CLEANING ...
Страница 205: ...Confidential CHAPTER 8 MAINTENANCE MODE ...
Страница 213: ...8 6 Confidential FAX1940CN 1840C 1835C Black Start Mono Start key Stop Exit key Menu Set key and keys ...
Страница 216: ...8 9 Confidential Scanning Compensation Data List a b c d e f i ...
Страница 233: ...8 26 Confidential Paper Feeding Check Pattern for the Paper Feed Roller and Paper Ejection Roller A Þ B Þ ...
Страница 236: ...8 29 Confidential 1st sheet 2nd sheet Vertical Alignment Check Patterns ...
Страница 239: ...8 32 Confidential Margin Check Pattern ...
Страница 249: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 253: ...9 2 Confidential ...
Страница 254: ...9 3 Confidential ...
Страница 371: ...B Power Supply PCB U S A and Canadian models Confidential ...
Страница 372: ...B Power Supply PCB European and Asian models Confidential ...
Страница 401: ...Confidential February 05 SM FAX032 8XA901 5 Printed in Japan ...