I am using a canon iR2016 photocopier machine but it prints and leaves white vertical spaces within the text on the paper. that is to say, I can see blank white strikes in the copied result. I am wondering what exactly the problem might be. Please I need help.
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If the problem is simply that the machine is not feeding paper, you should clean the paper pick up and feed rollers. Typically there will be one attached or above the paper tray(s) and a couple that transfer the paper through the machine to the print drum and fuser. Find them and clean them with clean cloth wet with a dilute solution of dish wash detergent with a few drops of methylated spirit or isopropanol mixed in. If paer then feeds but no print - you have more serious issues.
Regarding pick-up error "change paper size"or "incorrect paper size" while copy/print:
These may do the trick:
Point of problem: Paper Pick-Up Assembly Problem: Prevention of incorrect Paper Size Error or Pickup Assmbly Delay Jam (0104) upon Cassette Pick-up
Behaviour of copier: When making a pick-up setting as from the Cassette and starting Copy, "incorrect paper size" error or pick-up delay jam (0104) may occur.
Possible reason: When considerable amount of Paper Lint is attached onto the Vertical Path Roller , the feeding power is undermined and the paper feeding is delayed, resulting in "incorrect paper size" error or "pickup assembly delay" jam.
Servicing work: When the foregoing symptom occurs, be sure to replace the 27T/50T Gear [old type] with the 33T/50T Gear [new type] and the 29T Gear with the new type simultaneously.
Affected machines are:
iR2016J 120V KQW00838 and later iR2020 230V KRS02060 and later iR2016J EUR 230V KQX19105 and later iR2020i 120V SRB03779 and later iR2016J 230V KQY08575 and later iR2020i EUR 230V SRC03634 and later iR2016 EUR 230V KRB61503 and later iR2020i 230V SRE00245 and later iR2016J EUR 230V TXK10815 and later iR2016i 120V SRH01205 and later iR2016 120V KRE05112 and later iR2016i EUR 230V SRJ04494 and later iR2016 230V KRJ07227 and later iR2016i 230V SRL00298 and later iR2020J 230V KRM01592 and later iR2020 EUR 230V KRP16433 and later iR2020 120V KRR07615 and later
7.2 Detecting Jams
7.2.1 Delay Jams
18.104.22.168 Delay Jam in Pickup Assembly
0010-4883 iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
Delay Jam in Pickup Assembly
The registration sensor cannot detect the leading edge of paper within the jam detection time interval after paper pickup started.
22.214.171.124 Delay Jam in Delivery Assembly (Paper Leading Edge Jam at First Delivery Sensor/Wound Paper Jam at Fixing
0011-0712 iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
Paper Leading Edge Jam at First Delivery Sensor
The first delivery sensor cannot detect presence of paper within the prescribed time after the registration clutch has been turned on.
Wound Paper Jam at Fuser
The first delivery sensor has detected absence of paper within the prescribed time after it detected presence of paper (within the prescribed time after the registration
clutch had been turned on).
7.2.2 Stationary Jams
126.96.36.199 Stationary Jam in Pickup Assembly
0010-4884 iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
Stationary Jam in Pickup Assembly
The registration sensor does not detect absence of paper within the prescribed time before the next leading edge of fed paper reaches the registration sensor.
188.8.131.52 Stationary Jam in Delivery Assembly (Paper Trailing Edge Stationary Jam at First Delivery Sensor/Stationary Jam
at First Delivery Sensor)
0011-0733 iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
Paper Trailing Edge Stationary Jam at First Delivery Sensor
The first delivery sensor cannot detect absence of paper within the prescribed time after the registration sensor has been turned off.
Stationary Jam at First Delivery Sensor
The first delivery sensor cannot detect absence of paper within the prescribed time after it has detected the leading edge of paper.
7.2.3 Other Jams
184.108.40.206 Door Open Jam
0010-4886 iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
Door Open Jam
The door is opened when paper to be printed is in the paper feed path.
7.3 Cassette Pick-Up Unit
0010-4887 iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
The paper picked up from the cassette is fed to the registration roller using the vertical path roller driven by the main motor (M204). The registration roller is not
rotating when paper reaches there, so an arch is formed at the leading of the paper to prevent skewing. The DC controller PCB turns on the registration clutch
(CL203) at the prescribed timing to transfer the main motor rotation to the registration roller, thus feeding the paper to the delivery tray through the transfer, sepa-
Registration sensor (SR209)
Pickup solenoid (SL202)
First delivery sensor (SR203)
Registration clutch (CL203)
First delivery sensor (SR203)
Registration clutch (CL203