504
TSM Océ 3121
Functional description
4 Controlling the Exposure Lamp
Outline
The exposure lamp is a fluorescent lamp. It is controlled by the power supply
PBA:
■
Controlling the preheating of the exposure.
■
Switching the exposure lamp ON and OFF.
■
Controlling the intensity of the exposure lamp.
Control of the preheating
The exposure lamp is pre-heated. This shortens the time required for the inten-
sity of the exposure lamp to reach its optimum value, after a press on the Copy
button.
Preheating may be initial preheating or exposure lamp ON preheating.
■
Initial Preheating
Power is applied during initial rotation.
■
Preheating in ON situation
Power is applied during the copying operation.
Scanning
lamp ON
circuit
Scanning
lamp
pre-heat
circuit
T101
T501
FLPWM
MPCLK
FLPR
T
H
Q605
CPU
Composite power supply PCB
Scanning lamp
(fluorescent lamp)
DC controller PCB
Gate array
CPU
IC 102
IC101
T101
Drive
circuit
T101
D
ri
v
e
signal
Scanning lamp
intensity sensor
FLS
Logic circuit
FLON
FLOFF
PR
TCT
FL_S
FL
P
W
M
FL
P
R
TH
PBA
PBA
Summary of Contents for 3121
Page 1: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 3121 3122...
Page 6: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc INSTALLATION...
Page 72: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc IMAGE QUALITY...
Page 76: ...Confidential 1998 Oc Technologies B V ed 1 Image quality 3 2 Image adjustment basic procedure...
Page 93: ...20 TSM Oc 3121 Image quality Isolating a PBA printer image fault...
Page 94: ...Confidential 1998 Oc Technologies B V ed 1 Image quality 21 5 Isolating a PBA FAX image fault...
Page 105: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc TROUBLE SHOOTING...
Page 188: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc GENERAL...
Page 201: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 01 PHOTOCONDUCTOR...
Page 205: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 02 CHARGING...
Page 210: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 04 EXPOSURE...
Page 239: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 05 DEVELOPING...
Page 242: ...302 TSM Oc 3121 Adjustments...
Page 251: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 06 TRANSFER...
Page 260: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 07 CLEANING...
Page 263: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 08 IMAGE PROCESSING...
Page 299: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 10 RDF...
Page 392: ...Confidential 1998 Oc Technologies B V ed 1 10 RDF 511 2 Inputs to the RDF Control PBA...
Page 427: ...546 TSM Oc 3121 Functional description e Sequence of operations page composition fax mode...
Page 433: ...552 TSM Oc 3121 Functional description Sequence of Operations small sizes return...
Page 450: ...Confidential 1998 Oc Technologies B V ed 1 10 RDF 701 Electrical diagrams...
Page 451: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 11 DIGITAL DOCUMENT HANDLING...
Page 462: ...510 TSM Oc 3121 Functional description Inputs to and Outputs from the FAX Board...
Page 465: ...Confidential 1998 Oc Technologies B V ed 1 11 Digital document handling 513...
Page 468: ...516 TSM Oc 3121 Functional description CORE IP Board...
Page 469: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 12 PAPER...
Page 509: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 13 SPECIALITY INPUT...
Page 519: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 16 DUPLEX...
Page 537: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 17 FIXING...
Page 542: ...402 TSM Oc 3121 Dis assembly 8 Remove the two screws 7 Take out the fuser drive 6...
Page 569: ...512 TSM Oc 3121 Functional description Brush Hinge arm...
Page 570: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 19 DELIVERY...
Page 606: ...Confidential 1998 Oc Technologies B V ed 1 19 DELIVERY 701 Electrical diagrams...
Page 607: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 21 SORTER...
Page 721: ...Confidential 1998 Oc Technologies B V ed 1 21 SORTER 701 Electrical diagrams...
Page 722: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 22 POWER CONTROL...
Page 734: ...508 TSM Oc 3121 Functional description Image processor PBA 3 3 inputs and outputs...
Page 735: ...Confidential 1998 Oc Technologies B V ed 1 22 Power Control 509 DC Control PBA 1 3 inputs...
Page 736: ...510 TSM Oc 3121 Functional description DC Control PBA 2 3 inputs...
Page 737: ...Confidential 1998 Oc Technologies B V ed 1 22 Power Control 511 DC Control PBA 3 3 inputs...
Page 740: ...514 TSM Oc 3121 Functional description DC control PBA 3 3 outputs...
Page 769: ...Confidential 1998 Oc Technologies B V ed 1 22 POWER CONTROL 1 701 Electrical diagrams...
Page 770: ...Confidential 1998 Oc Technologies B V ed 1 22 POWER CONTROL 2 702...
Page 771: ...Confidential 1998 Oc Technologies B V ed 1 22 POWER CONTROL 3 703...
Page 772: ...Confidential 1998 Oc Technologies B V ed 1 22 POWER CONTROL 4 704...
Page 773: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc 23 DRIVE...
Page 778: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc MISCELLANEOUS...
Page 785: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc PREVENTIVE MAINTENANCE...
Page 793: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc TECHNICAL DATA...
Page 809: ...Technical Service Manual Oc 3121 3122 Oc Oc Oc Oc SDS DESCRIPTION...