9 - 3 8
Confidential
Problems due to machine malfunction
Check
Possible causes
Problems that may result
Head/carriage unit
- Air bubbles, high viscosity ink, or
foreign materials have found their
way into the head/carriage unit.
- Head flat cables are broken.
- Head flat cables have not been
inserted into the carriage PCB.
Dot missing occurs on the
printout.
The machine will not be able to
print or drive the head/carriage
unit.
Maintenance unit
- Air bubbles, high viscosity ink, or
foreign materials get into the
maintenance unit.
- Torque not transmitted
- Drain tube bent or pinched
Head cleaning operation will not
be possible and/or the
maintenance unit will not work.
CIS unit
The CIS unit is weak in identifying
colors.
The quality of print colors in
copying operation will be low.
[ 4 ]
Auto document feeder (ADF) malfunction
An ADF failure may occur not only due to machine malfunction but also to the user's actions.
Problems due to the user's actions
Check
Possible causes
Problems that may result
Document guides
on the top cover
The document guides are not
positioned to match the width of
document(s) loaded.
Documents will skew.
ADF-related
components
- Foreign materials have found their
way into the document path.
- The size of the document loaded
is smaller than the specified size.
Foreign materials can hinder
document feeding.
The document will jam in the
document path.
Top cover
The top cover is not closed
properly.
The "Cover is Open" message
will appear and the machine will
no longer operate.
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 ...