What does a flashing code L1 mean - Sharp AL-1457 Black and White Copier

L1 Erorr answar send me Ductable unit carrier

Multiple error codes can mean bad PC board.
C11 is combustion, vent or gas issues
L1, heat exchanger needs delime.
Catch unit up on required maintenance each year.
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Here is a list of cheat codes for Grand Theft Auto: San Andreas on the PlayStation 2.
$250,000, Full Health And Armor
Cheat code: R1, R2, L1 , X, Left , Down, Right, Up, Left, Down, Right, Up
Aggressive Drivers
Cheat code: Right, R2, Up, Up, R2, Circle, Square, R2, L1, Right, Down, L1
Aggressive Traffic
Cheat code: R2, Circle, R1, L2, Left R1, L1, R2, L2
All Cars Have Nitros
Cheat code: Left, Triangle, R1, L1, Up, Square, Triangle, Down, Circle, L2, L1, L1
All Pedestrians Are Elvis
Cheat code: L1, Circle, Triangle, L1, L1, Square, L2, Up, Down, Left
All Taxis Get Nitro + Jump Up When You Press L3
Cheat code: Up, X, Triangle, X, Triangle, X, Square, R2, Right
Junk Car Traffic
Cheat code: L2, Right, L1, Up, X, L1, L2, R2, R1, L1, L1, L1
All Traffic Lights Stay Green
Cheat code: Right, R1, Up, L2, L2, Left, R1, L1, R1, R1
All Vehicles Invisible Except Motorcycles
Cheat code: Triangle, L1, Triangle, R2, Square, L1, L1
Always Midnight (Time stays at 00:00)
Cheat code: Square, L1, R1, Right, X, Up, L1, Left, Left
Andrenaline Mode
Cheat code: X, X, Square, R1, L1, X, Down, Left, X
Blow Up Vehicle
Cheat code: L1, L2, L2, Up, Down, Down, Up, R1, R2, R2
Attracts Prostitutes With *** Toys
Cheat code: Square, Right, Square, Square, L2, X, Triangle, X, Triangle
Black Traffic
Cheat code: Circle, L2, Up, R1, Left, X, R1, L1, Left, Circle
Nearest Pedestrian Called to Get In Car
Cheat code: X, Square, Down, X, Square, Up, R1, R1
Cars Float Away When Hit
Cheat code: Square, R2, Down, Down, Left, Down, Left, Left, L2, X
Cars Fly
Cheat code: Square, Down, L2, Up, L1, Circle, Up, X, Left
Cars On Water
Cheat code: Right, R2, Circle, R1, L2, Square, R1, R2
Chaos Mode
Cheat code: L2, Right, L1, Triangle, Right, Right, R1, L1, Right, L1, L1, L1
Clowny Themed Area
Cheat code: Triangle, Triangle, L1, Square, Square, Circle, Square, Down, Circle
Commit Suicide
Cheat code: Right, L2, Down, R1, Left, Left, R1, L1, L2, L1
Destroy Cars
Cheat code: R2, L2, R1, L1, L2, R2, Square, Triangle, Circle, Triangle, L2, L1
Bikini Themed Area
Cheat code: Up, Up, Down, Down, Square, Circle, L1, R1, Triangle, Down.
Faster Clock
Cheat code: Circle, Circle, L1, Square, L1, Square, Square, Square, L1, Triangle, Circle, Triangle
Faster Gameplay
Cheat code: Triangle, Up, Right, Down, L2, L1, Square
Flying Boats
Cheat code: R2, Circle, Up, L1, Right, R1, Right, Up, Square, Triangle
Foggy Weather
Cheat code: R2, X, L1, L1, L2, L2, L2, X
Full Weapon Aiming While Driving
Cheat code: Up, Up, Square, L2, Right, X, R1, Down, R2, Circle
Gang Members Spawn Much Faster
Cheat code: Left, Right, Right, Right, Left, X, Down, Up, Square, Right
Six Star Wanted Level
Cheat code: Circle, Right, Circle, Right, Left, Square, X Down
Hitman In All Weapons
Cheat code: Down, Square, X, Left, R1, R2, Left, Down, Down, L1, L1, L1
Improve Suspension
Cheat code: Square, Square, R2, Left, Up, Square, R2, X, X, X
Increase Car Speed
Cheat code: Up, L1, R1, Up, Right, Up, X, L2, X, L1
Infinite Ammo
Cheat code: L1, R1, Square, R1, Left, R2, R1, Left, Square, Down, L1, L1
Infinite Health
Cheat code: Down, X, Right, Left, Right, R1, Right, Down, Up, Triangle
Infinite Lung Capacity
Cheat code: Down, Left, L1, Down, Down, R2, Down, L2, Down
Insane Handling
Cheat code: Triangle, R1, R1, Left, R1, L1, R2, L1
Spawn Jetpack
Cheat code: Left, Right, L1, L2, R1, R2, Up, Down, Left, Right
Jump 10x Higher
Cheat code: Up, Up, Triangle, Triangle, Up, Up, Left, Right, Square, R2, R2
High Jumps on Bike
Cheat code: Triangle, Square, Circle, Circle, Square, Circle, Circle, L1, L2, L2, R1, R2.
Lock in Wanted Level to Current Star Rating
Cheat code: Circle, Right, Circle, Right, Left, Square, Triangle, Up
Lower Wanted Level
Cheat code: R1, R1, Circle, R2, Up, Down, Up, Down, Up, Down
Max All Vehicle Stats (Driving, Flying Bike, Cycling)
Cheat code: Square, L2, X, R1, L2, L2, Left, R1, Right, L1, L1, L1
Maximum Fat
Cheat code: Triangle, Up ,Up, Left, Right, Square, Circle, Down
Maximum Muscle
Cheat code: Triangle,Up,Up,Left,Right,Square,Circle,Left
Maximum Respect
Cheat code: L1, R1, Triangle, Down, R2, X, L1, Up, L2, L2, L1, L1
Maximum *** Appeal
Cheat code: Circle, Triangle, Triangle, Up, Circle, R1, L2, Up, Triangle, L1, L1, L1
Morning Sky
Cheat code: R2, X, L1, L1, L2, L2, L2, Square
Never Become Hungry
Cheat code: Square, L2, R1, Triangle, Up, Square, L2, Up, X
Night Sky
Cheat code: R2, X, L1, L1, L2, L2, L2, Triangle
Only Gang Members and Gun Fights in Streets
Cheat code: L2, Up, R1, R1, Left, R1, R1, R2, Right, Down
No Traffic or Pedestrians
Cheat code: X, Down, Up, R2, Down, Triangle, L1, Triangle, Left
Noon Sky
Cheat code: R2, X, L1, L1, L2, L2, L2, Down
Sunset Sky
Cheat code: Left, Left, L2, R1, Right, Square, Square, L1, L2, X
Overcast Weather
Cheat code: R2, X, L1, L1, L2, L2, L2, Square
Pedestrian Attack
Cheat code: Down, Up, Up, Up, X, R2, R1, L2, L2
Note: This code cannot be turned off.
Pedestrian Riot
Cheat code: Down, Left, Up, Left, X, R2, R1, L2, L1
Note: This code cannot be turned off.
Pedestrians Have Weapons
Cheat code: R2, R1, X, Triangle, X, Triangle, Up, Down
Peds Attack with Guns
Cheat code: X, L1, Up, Square, Down, X, L2, Triangle, Down, R1, L1, L1
Ninja Pedestrians
Cheat code: X, X, Down, R2, L2, Circle, R1, Circle, Square
Pink Traffic
Cheat code: Circle, L1, Down, L2, Left, X, R1, L1, Right, Circle
Prostitutes Pay You
Cheat code: Right, L2, L2, Down, L2, Up, Up, L2, R2
Raise Wanted Level
Cheat code: R1, R1, Circle, R2, Right, Left, Right, Left, Right, Left
Recruit Anyone (with 9mm)
Cheat code: Down, Square, Up, R2, R2, Up, Right, Right, Up
Recruits Anyone (with Rockets)
Cheat code: R2, R2, R2, X, L2, L1, R2, L1, Down, X
Sand Storm Weather
Cheat code: Up, Down, L1, L1, L2, L2, L1, L2, R1, R2
Skinny
Cheat code: Triangle, Up ,Up, Left, Right, Square, Circle, Right
Slower Gameplay
Cheat code: Triangle, Up, Right, Down, Square, R2, R1
Spawn Monster
Cheat code: Right, Up, R1, R1, R1, Down, Triangle, Triangle, X, Circle, L1, L1
Spawn Parachute
Cheat code: Left, Right, L1, L2, R1, R2, R2, Up, Down, Right, L1
Spawn Rhino
Cheat code: Circle, Circle, L1, Circle, Circle, Circle, L1, L2, R1, Triangle, Circle, Triangle
Spawn Stretch Limo
Cheat code: R2, Up, L2, Left, Left, R1, L1, Circle, Right
Spawn Bloodring Banger
Cheat code: Down, R1, Circle, L2, L2, X, R1, L1, Left, Left
Spawn Caddy
Cheat code: Circle, L1, Up, R1, L2, X, R1, L1, Circle, X
Spawn Dozer
Cheat code: R2, L1, L1, Right, Right, Up, Up, X, L1, Left
Spawn Faster Cars
Cheat code: Right, R1, Up, L2, L2, Left, R1, L1, R1, R1
Spawn Hotring Racer #1
Cheat code: R1, Circle, R2, Right, L1, L2, X (2), Square, R1
Spawn Hotring Racer #2
Cheat code: R2, L1, Circle, Right, L1, R1, Right, Up, Circle, R2
Spawn Hunter
Cheat code: Circle, X, L1, Circle, Circle, L1, Circle, R1, R2, L2, L1, L1
Spawn Rancher
Cheat code: Up, Right, Right, L1, Right, Up, Square, L2
Spawn Tanker
Cheat code: R1, Up, Left, Right, R2, Up, Right, Square, Right, L2, L1, L1
Spawn Hydra
Cheat code: Triangle, Triangle, Square, Circle, X, L1, L1, Down, Up
Spawns Quad Bike
Cheat code: Left, Left, Down, Down, Up, Up, Square, Circle, Triangle, R1, R2
Spawn Vortex
Cheat code: Triangle, Triangle, Square, Circle, X, L1, L2, Down, Down
Stormy Weather
Cheat code: R2, X, L1, L1, L2, L2, L2, Circle
Spawn Stunt Plane
Cheat code: Circle, Up, L1, L2, Down, R1, L1, L1, Left, Left, X, Triangle.
Super Punch
Cheat code: Up, Left, X, Triangle, R1, Circle, Circle, Circle, L2
Traffic Is Country Vehicles
Cheat code: Triangle, Left, Square, R2, Up, L2, Down, L1, X, L1, L1, L1
All Country Vehicles
Cheat code: L1 L1 R1 R1 L2 L1 R2 Down Left Up
Unlock Romero
Cheat code: Down, R2, Down, R1, L2, Left, R1, L1, Left, Right
Unlock Trashmaster
Cheat code: Circle, R1, Circle, R1, Left, Left, R1, L1, Circle, Right
Weapons Pack 1
Cheat code: R1, R2, L1, R2, Left, Down, Right, Up, Left, Down, Right, Up
Weapons Pack 2
Cheat code: R1, R2, L1, R2, Left, Down, Right, Up, Left, Down, Down, Left
Weapons Pack 3
Cheat code: R1, R2, L1, R2, Left, Down, Right, Up, Left , Down, Down, Down
Cloudy Weather
Cheat code: L2, Down, Down, Left, Square, Left, R2, Square, X, R1, L1, L1

It seems you have to open the flash

I don't see a reference to a L1-18. A L1 code is a scanner feed problem. I only show a L1-00 code. Sorry.

L1-00 means that the scanner unit under the glass was interupted in it travle and didnt return to home position within a specified time. Often you can restart the power to clear this.

You didn't mention the number or code or L code.
If its L1-00 its just only the scanner, it means the scanner is locked.

There is a crystal lock under the scanner and on the top of the exit tray. just rotate the lock, makes sure that the front of the lock is on the direction of the scanner(to the right).

Hope it helps...

L1 means copy lamp problem or mirror drive problem. Check that area.

According to another source, the L1 error means "Scanner position error". Hope you find a solution, and not an expensive one.