List Of Initial Check Items - Canon imageRUNNER 1750 Series Service Manual

Initial Check

List of Initial Check Items

Item No.
1 The value of power voltage is +/- 10% of the specified voltage.
2 The machine is not in a high-temperature/high-humidity place (near the
water tap, water boiler, or humidifier), a cold place, a place near fire, or a
dusty place.
Site
3 The machine is not in a place that generates ammonia gas
environment
4 The machine is not in a place of direct sunlight.
5 The machine is installed in a well-ventilated place where the machine
stands horizontally.
6 The power plug of the machine is connected to the output
1 The Canon-recommended paper is used.
Checking the
2 The paper is not moistened. Set paper by taking it out from a new package
paper
to output.
1 Paper that is within the specified volume is correctly set in the Cassette
Checking the and Multi-purpose Tray.
2 When using transparency film, the transparency is set in the correct
paper setting
direction in the Multi-purpose Tray.
Checking the 1 Check the list of consumable parts for periodical replacement and
consumable locations for cleaning, and replace parts that reach the estimated life.
parts
Checking the 2 Check the list of consumable parts for periodical replacement and
periodical locations for cleaning, and execute maintenance work for the parts that
servicing items reach the maintenance timing.
Checking the Units/Check Items of Function System
Do not move a machine that has been stone-cold in a warehouse into a warm room on all on a
sudden. (This generates condensation inside the machine, and causes various types of troubles)
Item No.
1 Check for scar, soiling or foreign particle in the Scanner System (CIS or CCD/
White Plate/Copyboard Glass).
2 Check that the CIS or CCD Unit moves smoothly. Check for soiling on the rail.
Reader
3 Check for flicker with CIS or CCD.
4 Check for condensation in the Scanner System.
1 The Drum Unit/Toner Bottle is securely installed.
Image
2 Check for scar or soiling on the Photosensitive Drum.
Formation
3 Check for wear, scar, soiling or deformation on the Transfer Roller.
1 Check for wear, scar, soiling or deformation on the Fixing Film/Pressure Roller.
2 Check if the Fixing Thermistor is open circuit.
Fixing
3 Check for electrical continuity of the Thermoswitch
6
Troubleshooting > Initial Check > List of Initial Check Items
Check Items
Check Itemsl
6 Troubleshooting > Initial Check > List of Initial Check Items
Item No.
1 Check for foreign particle such as paper lint.
2 Check if paper dust is accumulated on the Pickup/Feed/Separation Roller.
Check for wear, scar, soiling or deformation.
3 Check for wear, scar, soiling or deformation on the Registration Roller/Paper
Pickup
Path Roller.
Check Feed 4 Check for wear, scar, soiling or deformation on the Feed Guide.
5 Check for an error such as folding at the leading edge/curl/ripple/moist of the
paper.
6 Check if the symptom improves by using the Canon-recommended paper/
transparency film.
1 Check for load in the drive system.
Drive
2 Check for wear or crack of the gear.
1 Check that the Cassette is correctly set. Check that the paper size is correctly
specified. Check that the same symptom does not occur when replacing with a
normal cassette.
2 Check that the Cassette Lifting Plate moves smoothly. Check for deformation.
Cassette
3 Check hat the Side Guide Plate/Trailing Edge Guide Plate in the Cassette is
correctly set.
4 Check that the switch of the Cassette Heater is turned ON. (When the Cassette
Heater is installed)
1 Check for operation of the Sensor/Clutch/Motor/Solenoid. Check for poor
contact of the connector.
(Check the power supply and signal transmission path with general circuit
diagram)
2 Check for a caught wire in wiring/loosened screw.
General
3 Check that the External Covers are all attached.
items
4 Check that the Main Power Switch/Control Panel Power Switch is turned ON.
5 Check that the power cables/signal cables are correctly routed to the options.
T-6-1
6 Check for blowout of a fuse on the PCBs.
7 Check that the user uses the machine correctly
1 Do not move a machine that has been stone-cold in a warehouse into a warm
room on all on a sudden. (This generates condensation inside the machine,
and causes various types of troubles)
Check
• E100 error by condensation of the BD Sensor
• Light image density in vertical scanning direction by condensation of the
Dustproof Glas
• Light image density by condensation of the Reader Contact Sensor and
Others
Copyboard Glass.
• Failure in paper feeding by condensation of the Pickup/Feed Guide
2 In the case of the symptom described above, be sure to dry wipe the units of
the pickup/feed system
Condensation tends to occur when unpacking a Toner Bottle/Drum Unit that
has been kept in a cold place and brought into a warm room. To prevent
condensation, be sure to make the part sufficiency accustomed to the room
temperature (leave it for 1 to 2 hours) before unpacking.
Check Itemsl
6-2
Check
T-6-2
6-2