Initial Check; Initial Check Items List - Canon imageRUNNER ADVANCE 4551i Service Manual

Initial Check

Initial check items list

Item No.
Site Environment
Checking the Paper
Checking the Placement
of Paper
Checking the Durables
Checking the Periodically
Replaced Parts
Checking Each Unit/ Each Function System
Item No.
Reader 1
2
3
4
Image Formation System 1
2
3
Fixing System 1
2
3
Pickup Feed System 1
2
3
4
5
6
Drive system 1
2
Cassette 1
2
3
4
General 1
2
3
4
1 The voltage of the power supply is as rated (+/ -10%).
2 The site is not a high temperature / humidity environment (near a water faucet, water boiler,
humidifi er), and it is not in a cold place. The machine is not near a source of fi re or dust.
3 The site is not subject to ammonium gas.
4 The site is not exposed to direct rays of the sun. (Otherwise, provide curtains.)
5 The site is well ventilated, and the floor keeps the machine level.
6 The machine's power plug remains connected to the power outlet.
1 The paper is of a recommended type.
2 The paper is not moist. Try paper fresh out of package.
1 Check the cassette and the manual feed tray to see if the paper is not in excess of a specific
level.
2 If a transparency is used, check to make sure that it is placed in the correct orientation in
the manual feed tray.
1 Check the table of durables to see if any has reached the end of its life.
2 Check the scheduled servicing table and the periodically replaced parts table, and replace
any part that has reached the time of replacement.
Check that there is no cut, dirt or any foreign particle on the scanner system parts.
Check that the CCD unit moves smoothly and there is no dirt on the rail.
Check that the lump light does not blink.
Check that there is no dew condensation found on the scanning system parts.
Check that the drum unit and developing assembly are properly installed.
Check that there is no cut and dirt on the photosensitive drum.
Check that the transfer roller is not worn and deformed and has no cut/ dirt.
Check that the fixing film and pressure roller is not worn and deformed and has no cut/ dirt.
Check that the fixing thermistor wire is not cut.
Check that there is electrical conductivity among thermoswitch.
Check that there is no foreign particle such as paper dust etc.
Check that the pickup/ feed/ separation roller does not accumulate the paper dust. Check
that these rollers are not worn and deformed and have no cut/ dirt.
Check that the registration roller/ paper path roller is not worn and deformed and has no
cut/ dirt.
Check that the feed guide is not worn and deformed and has no cut/ dirt.
Check that there is no edge fold/ curl/ wave/ moisture absorption occurred on the paper.
Check if using Canon recommended paper/ transparency makes it better or not.
Check that the drive system does not get heavy load.
Check that the gear is not worn and not get chipped.
Check that the cassette is installed properly and the paper size is configured properly. Check
if the symptom appears or not after replacing the cassette with the cassette that works
normally.
Check that the cassette middle plate moves smoothly and is not deformed.
Check that the cassette side guide plate/ trailing edge guide plate is properly set.
Check that the cassette heater switch is ON (When the cassette heater is installed.).
Check that the sensor/ clutch/ motor/ solenoid works properly (Make sure to check the power
source and signal transmission route with the general circuit diagram.).
Check that there is no wire wedged/ screw loosened.
Check that all the external covers are installed.
Check that the main power switch/ control panel power switch is ON.
Detail
Detail
333
6. Troubleshooting
Check
Check