Table of Contents
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[1] OUTLINE OF THE PRODUCT . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
[2] SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
[3] INTERNAL CONSTRUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
[4] OPERATIONAL DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
[5] DISASSEMBLY, ASSEMBLY, MAINTENANCE . . . . . . . . . . . . . . . 5-1
[6] ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
[7] TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
[8] ELECTRICAL SECTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with
specified ones for maintaining the safety and performance of the set.
SERVICE MANUAL
DIGITAL COPIER/PRINTER/
MULTIFUNCTIONAL SYSTEM OPTION
LARGE CAPACITY TRAY
CONTENTS
SHARP CORPORATION
CODE: 00ZARLC6//A2E
AR-LC6
MODEL
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
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Table of Contents
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Summary of Contents for Sharp AR-LC6
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Page 1: Table Of Contents
DIGITAL COPIER/PRINTER/ MULTIFUNCTIONAL SYSTEM OPTION LARGE CAPACITY TRAY AR-LC6 MODEL CONTENTS [1] OUTLINE OF THE PRODUCT ......1-1 [2] SPECIFICATIONS . -
Page 2: Outline Of The Product
Paper pick-up by the take-up roller, Torque limiter reverse rotation separation system Humidifying heater Power supplied from the main unit, ON/OF control by the main unit Heater kit support Factory setting AB series Inch series AR-LC6 OUTLINE OF THE PRODUCT 1 - 1... -
Page 3: Internal Construction
OFF by the timer. LPSL LPSL Paper feed Presses the paper pickup roller Turned OFF after starting solenoid onto paper. transport. Turned ON by the timer. ∗ Lift-up – When paper empty detection is made: AR-LC6 INTERNAL CONSTRUCTION 3 - 1... - Page 4 Protects the paper feed unit switch from breakage due to lifting the tray too much. LOSW LOSW Upper open/ Detects open/close of the close switch upper door. Thermal Keeps temperature in the LCC Japan heater tray. only AR-LC6 INTERNAL CONSTRUCTION 3 - 2...
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Page 5: Operational Descriptions
Third sheet Fourth sheet Fifth sheet Preliminary paper Preliminary paper Preliminary paper Preliminary paper Preliminary paper feed complete feed complete feed complete feed complete feed complete Paper feed start Paper feed start Paper feed start AR-LC6 OPERATIONAL DESCRIPTIONS 4 - 1... -
Page 6: Paper Empty Detection
When the tray lifts and stops at the paper feed position and during paper feed operation, paper presence/empty is detected by the paper presence/empty sensor (LPED). When paper empty is detected in the tray during paper feeding, paper feeding is stopped. AR-LC6 OPERATIONAL DESCRIPTIONS 4 - 2... -
Page 7: Disassembly, Assembly, Maintenance
5) Remove the pawl, and remove the reverse roller. 1) Pull the lever, and open the upper cover. 2) Remove the screw, and remove the sheet. 3) Remove the pawl, and remove the pickup roller and the paper feed roller. AR-LC6 DISASSEMBLY, ASSEMBLY, MAINTENANCE 5 - 1... -
Page 8: Each Unit Removal
4) Disconnect the connectors (2 positions). C. Drive unit 1) Remove the screw, and remove the rear cover. 5) Remove the screw, and remove the paper feed unit. 2) Remove the connectors (2 positions). AR-LC6 DISASSEMBLY, ASSEMBLY, MAINTENANCE 5 - 2... -
Page 9: Major Parts Removal
2) Remove the screw, and remove the cover. B. Lift motor 1) Remove the drive unit. 2) Remove the E-ring, and remove the parts. 3) Remove the E-ring, and remove the parts. 3) Remove the screw, and remove the cover. AR-LC6 DISASSEMBLY, ASSEMBLY, MAINTENANCE 5 - 3... - Page 10 E. Torque limiter 1) Remove the paper feed unit. 2) Remove the cover. 3) Remove the E-ring and the screw, and remove the parts. 4) Lift the shaft, and remove the torque limiter. AR-LC6 DISASSEMBLY, ASSEMBLY, MAINTENANCE 5 - 4...
- Page 11 3) Remove the spring, and remove the screw. 4) Remove the plate cover, and remove the lever. 5) Remove the clutch. 6) Remove the screw and the E-ring, and remove the parts. 7) Remove the transport roller. AR-LC6 DISASSEMBLY, ASSEMBLY, MAINTENANCE 5 - 5...
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Page 12: Adjustment
When the value is in the above range, press CA key to terminate Duplex Print off center the simulation. adjustment position (ADU) (Rear side) Print lead edge (Front side) Adjust in the range of the figure (0 ± 3mm). (Print back surface) AR-LC6 ADJUSTMENT 6 - 1... - Page 13 7) After completion of the adjustment, press [CA] key to terminate the started and the set value is stored. simulation mode. SIMULATION 51-2 RESIST TIMING ADJUSTMENT. NOW PRINTING. 7) After completion of the adjustment, press [CA] key to terminate the simulation mode. AR-LC6 ADJUSTMENT 6 - 2...
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Page 14: Troubleshooting
Some trouble messages are automatically cleared when the trouble is repaired. Some other troubles must be cleared by a simulation. Some warning messages of consumable parts are automatically cleared when the trouble is repaired. Some other warning messages must be cleared by a simulation. AR-LC6 TROUBLESHOOTING 7 - 1... - Page 15 Power source abnormality in Replace the control PWB the main unit Remedy (PCU). Check Check 24V output on the Case 3 Cause Malfunction caused by main unit side. noises Remedy Check Cancel by turning OFF/ON the power. Remedy AR-LC6 TROUBLESHOOTING 7 - 2...
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Page 16: Electrical Section
RES-LCC +24V /TRC-LCC CN-C CN-F B24B-PHDSS-B B11B-PH-K-S +24V LPFCL /RES +24V /RXD LTCL /TXD LPSL(+24V) N.C. GND1 +5V(VD) GND2 FVpp GND2 GND2 GND2 GND2(VD) GND2 TEST GND2 /LUD /LPED /LTD LTOD EXIN1 EXIN2 +5VR AR-LC6 ELECTRICAL SECTION 8 - 1... -
Page 17: Block Diagram
: Jan. 9 2004 2. Block diagram AR-LC6 ELECTRICAL SECTION 8 - 2... - Page 18 LEAD-FREE SOLDER The PWB’s of this model employs lead-free solder. The “LF” marks indicated on the PWB’s and the Service Manual mean “Lead-Free” solder. The alphabet following the LF mark shows the kind of lead-free solder. Example: <Solder composition code of lead-free solder> Solder composition Solder composition code Solder composition...
- Page 19 CAUTION FOR BATTERY REPLACEMENT (Danish) ADVARSEL ! Lithiumbatteri – Eksplosionsfare ved fejlagtig håndtering. Udskiftning må kun ske med batteri af samme fabrikat og type. Levér det brugte batteri tilbage til leverandoren. (English) Caution ! Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer.
- Page 20 Adobe, the Adobe logo, Acrobat, and the Acrobat logo are trademarks of Adobe Systems Incorporated. • All other trademarks and copyrights are the property of their respective owners. SHARP CORPORATION Digital Document System Group Products Quality Assurance Department Yamatokoriyama, Nara 639-1186, Japan...