Technical Bulletin
No. RTB-001
SUBJECT: F-40 SERVICE MANUAL MODIFICATION
DATE: Dec.31 1990
PAGE: 2 of 10
Page: 02-34
Location: Main PCB box (circuit diagram)
Incorrect: CFL / QC Trigger
Correct: PQC / PTL Trigger
Page: 02-39
Location: End of the 7th line from the bottom of the page
Incorrect: then it stops any further toner supply to the development tank.
Correct: then the CPU changes from detect mode to fixed toner supply mode.
Page: 02-43
Location: The last line in the 3rd paragraph
Incorrect: LOW signal to CN103-7
Correct: LOW signal to CN101-A10
Page: 03-04
Location: item #6 in list
Delete item #6 (Toner Collection Bottle) and renumber the list.
Page: 03-07
Location: 2nd (Right side of the page) and 3rd (Bottom) illustraion
Delete the 2nd illustration and make callouts [D] & [E] to [B] & [C] on the 3rd illustration.
Page: 03-07
Location: Step 6
Delete step 6 (Slide out the paper feed unit....) and renumber the steps that follow on this
page and the next page
Page: 03-07
Location: Step 7
Incorrect: 7. Remove the left top cover plate [D]and the scanner lock plate[E] (1 screw)
Correct: 6. Remove the left top cover plate [B]and the scanner lock plate[C] (1 screw)
Page: 03-14
Location: step 29
Incorrect: 29. Check the light intensity (SP48).
Correct: 29. Set DIP SW 902-8 to ON, then check the light intensity (SP48).
Page: 04-01
Table location:
A. OPTICS
section of PM table: Exposure Lamp
Incorrect: I I I I
Correct: I.C I.C I.C I.C
Page: 04-03
Table location:
G. OTHERS
section of PM table: Drive Chains and Belts
Incorrect: I I I Replace if necessary.
Correct: I.L I.L I.L Replace if necessary.(Lubricate chain if necessary)
Page: 04-03
Table location:
G. OTHERS
section of PM table: Vacuum Fan Filter
Incorrect: Vacuum Fan Filter
Correct: Transport Fan Filter
Page 4-5 & 6 Location: 2.2 LANGUAGE CODE TABLE and 2.3 DIP SWITCH TABLE
Change LANGUAGE CODE TABLE into section 2.3; change DIP SWITCH TABLE into
section 2.2.