5 - 3 4
Confidential
Removing the carriage PCB and head flat cables
(3) Disconnect the head flat cables 1 and 2 from the main PCB and pull them out to the rear
through the opening provided in the lower cover as shown below.
NOTE:
Take care not to drop the flat core from the head flat cables.
(4) Slide the FFC support to the rear and lightly pull up the cable clamp to release the support from
the cable clamp.
(5) Remove the head flat cables from the FFC support.
NOTE:
For easier removal, first release the left end of the FFC support film from the boss on
the FFC support and turn the head flat cables clockwise.
Flat core
Carriage PCB
Head/carriage unit
Carriage-head flat cable
Opening
Cable clamp on the head joint
Main PCB
Head flat cable 2 (19-pin)
Head flat cable 1 (17-pin)
Carriage PCB
FFC support film
FFC support
FFC support
Head flat cable 2
(19-pin)
Head flat cable 1
(17-pin)
Boss
(6) Unlock the connector on the carriage PCB and disconnect the carriage-head flat cable.
Summary of Contents for FAX 1840C
Page 1: ...Confidential FACSIMILE EQUIPMENT SERVICE MANUAL MODELS MFC3340CN 3240C FAX1940CN 1840C 1835C ...
Page 9: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...
Page 18: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 50: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 91: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Page 96: ...Confidential CHAPTER 5 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 167: ...5 69 Confidential Viewed from the left ...
Page 171: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 191: ...6 18 Confidential Vertical Alignment Check Patterns ...
Page 193: ...6 20 Confidential Margin Check Pattern ...
Page 202: ...Confidential CHAPTER 7 CLEANING ...
Page 205: ...Confidential CHAPTER 8 MAINTENANCE MODE ...
Page 216: ...8 9 Confidential Scanning Compensation Data List a b c d e f i ...
Page 236: ...8 29 Confidential 1st sheet 2nd sheet Vertical Alignment Check Patterns ...
Page 239: ...8 32 Confidential Margin Check Pattern ...
Page 249: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...
Page 253: ...9 2 Confidential ...
Page 254: ...9 3 Confidential ...
Page 371: ...B Power Supply PCB U S A and Canadian models Confidential ...
Page 372: ...B Power Supply PCB European and Asian models Confidential ...
Page 401: ...Confidential February 05 SM FAX032 8XA901 5 Printed in Japan ...