HiTi Digital Pringo P231 Manuale utente

CONFIDENTIAL 1

Pringo

Service Guide

Version: 1.0

CONFIDENTIAL 2

Revision History

Date Revision Description Remark

17-July-2013

0.2 Specification

23-Aug-2013

0.5 Basic chapters of the service guide

14-Sep-2013

0.8 Assembly and Disassembly added

26-Sep-2013

0.9 Add HW theory, Assembly/Disassembly

1-Oct-2013 1.0 First Release

CONFIDENTIAL 3

Outlines:

CHAPTER 1: INTRODUCTION.................................................4

CHAPTER 2: SPECIFICATIONS ...............................................5

CHAPTER 3: OPERATION THEORY & ANATOMY..............6

CHAPTER 4: DISASSEMBLY & ASSEMBLY ........................15

CHAPTER 5: ADJUSTMENT....................................................39

CHAPTER 6: GEAR LIST .........................................................44

CHAPTER 7: ERROR MESSAGE............................................46

CHAPTER 8: CONTACT INFORMATION.............................51

CONFIDENTIAL 4

Chapter 1: Introduction

This

document

contains

operation theory and

parts

eplacement

procedure

sthat are

intended

ease

the

task

of transportation, usage, maintenance and parts replacement.

CONFIDENTIAL 5

Chapter 2: Specifications

Item Description

Model name Pringo -P231

Resolution 290 dpi

Print speed 65 secs

Print size 54x86mm (2" x 3" )

Battery life* Up to 10 sheets

Battery charging time 1.5 hours

Battery 550 mAh Li-polymer

Connectivity WiFi (Peer-to-Peer)

Compatible device iOS , Android

Size (WxLxH) 94x145.8x25.1mm

Weight* 394g (battery included)

Market Specification

Consumable Specification

Part number:

Pack - 87.PG901.01XT

Pack - 87.PG902.06XT

Carton – 87.PG901.1AXT

Carton – 87.PG902.13XT

Dimension of box 109x50x70 mm

Dimension of box 156x70x109 mm

Weight per box 90 g

Weight per box 270 g

Sheets per box 30 sheet

Sheets per box 100 sheet

Dimension of carton 315x145x226 mm

Weight per carton 2405 g

Sheets per carton 720 sheets

Sheets per carton 800 sheets

CONFIDENTIAL 6

Chapter 3: Operation Theory & Anatomy

The circuit of P231 contain four parts: Main Board, Motors, LED & Sensors and WiFi Module. The

battery is two series(2S) and the capacity is 550 mAH. The voltage of battery is from 8.4V (Battery

full) to 6V (cut off). And the normal voltage of battery for printing is from 8.4V to 7.2V. Main board

transforms the input voltage to TPH necessary voltage (step-up 10.2V +/- 5%) and step-down 5V,

3.3V, 1.8V, 1.0V by voltage converter for ASIC, Memory, and the I/Os. We can use smart phone to

print photo by Pringo Apps .

Main Board

ASIC Architecture

The Quatro 43XX is a highly integrated, fully programmable SOC designed for personal imaging and

printing appliances, i.e. personal-class printers that involve one or more PC-independent functions

such as copy, photo print, print from web, scan to web, fax transmit and fax receive. Specific target

product categories include inkjet multi-function peripherals (MFPs), inkjet direct photo printers, laser

printers, MFPs and internet appliance printers, though the Quatro 43XX is based on Zoran(CSR)’s

QuatroTM platform. This is an advanced SOC architecture that provides original equipment

manufacturers with shorter time-to-market than conventional ASIC solutions through a unique

combination of high performance and easy-to-use programmability.

Key Chip Features:

- Manufactured in 80nm TSMC process.

- Core voltage 1.0V.

- I/O voltage 3.3V.

- Low power modesThe Quatro 43XX provides several different power savings features.

- On-chip PLLThree on-chip allows the user to input a wide range of input clock frequencies.

- Support for spread spectrum clock (EMI reduction) on system and SDRAM PLLs.

- Maximum internal clock frequency is 220MHz.

- 16-bit DDRI/II interface

- On-chip ARM926 CPU.

- On-chip 8K data and 8K instruction cache.

- On-chip tightly-coupled memory (TCM) connected directly to the ARM9.

- On-chip imaging DSP.

- On-chip 32Kbyte SRAM for imaging DSP.

- On-chip RTC.

ASIC

DDR

Nor Flash

Motor Driver

TPH Interface

Nvram

CONFIDENTIAL 7

- On-chip 16-bit AFE.

- On-chip 10-bit ADC.

- On-chip DAC for video output.

- Generic Scanner interface.

- Generic Inkjet printer interface.

- Generic Motor Control interface.

- 8/16-bit wide System Bus interface to interface to ROM, SRAM and other external devices.

- Memory Card support.

- USB 2.0 Hi-Speed compliant device port.

- 3x USB 2.0 Hi-Speed compliant host ports.

- Two Serial ports.

- Serial ROM/EPROM interface.

- LCD Interface.

- TV Interface.

- JBIG Compression/Decompression Unit.

- JPEG Assist Unit.

- Dye-Sub Support Unit.

- Laser engine support.

- Audio Support Unit.

- General Purpose DMA Units.

- Sample pins to allow for different boot modes.

- JTAG test interface for board test and seamless debugging.

- Several independent manufacturing test modes to allow easy testing.

Memory IC

DDR

This 1Gbit DDR2 sdram (K4T1G164QF FBGA84) on main board is to be the data buffer. The image

file, print data are temporarily stored during operation.

- JEDEC standard VDD = 1.8V ± 0.1V Power Supply

- VDDQ = 1.8V ± 0.1V

- 333MHz fCK for 667Mb/sec/pin, 400MHz fCK for 800Mb/sec/pin

- 8 Banks

- Posted CAS

- Programmable CAS Latency: 3, 4, 5, 6

- Programmable Additive Latenc y: 0, 1, 2, 3, 4, 5

- Write Latency(WL) = Read Latency(RL) -1

- Burst Length: 4 , 8(Interleave/nibble sequential)

- Programmable Sequential / Interleave Burst Mode

- Bi-directional Differential Data-Strobe (Single-ended data-strobe is an optional feature)

- Off-Chip Driver(OCD) Impedance Adjustment

- On Die Termination

- Special Function Support - 50ohm ODT - High Temperature Self-Refresh rate enable

- Average Refresh Period 7.8us at lower than TCASE 85°C, 3.9us at 85°C < TCASE < 95 °C

- All of products are Lead-Free, Halogen-Free, and RoHS compliant

CONFIDENTIAL 8

Nor Flash

This Nor Flash is SPI Serial Flash, 64Mbit flash memory is to store the firmware code and etc.

- Single Power Supply Operation

2.7 to 3.6 volt for read, erase, and program operations

- Serial Peripheral Interface compatible -- Mode 0 and Mode 3

- 67,108,864 x 1 bit structure or 33,554,432 x 2 bits (Dual Output mode) structure

- 2048 Equal Sectors with 4K byte each

Any Sector can be erased individually

- 128 Equal Blocks with 64K byte each

Any Block can be erased individually

- Program Capability

Byte base - Page base (256 bytes)

- Latch-up protected to 100mA from -1V to Vcc +1V

TPH Interface

Print data will be shifted into TPH during each clock. After 128 shift clocks, one line data will be

shifted to TPH. Latch/ signal will latch the print data. Strobe/ signal will heat the corresponding

heater elements on TPH according to shift-in data. More the storbe/ time, more the dye of the ribbon

is transferred to paper. P231 using Even-odd Printing method to print color image.

TPH ASSY

CONFIDENTIAL 9

Symptom of TPH pixel fail

Motors

Cam motor

Cam motor is a bipolar motor and driven by driver IC DRV8821. DRV8821 is designed to drive dual

bipolar stepping motor and includes pulse-width-modulation (PWM) control of ouput current to 1.5A

MAX. For PWM control, the maximum output current is determined by user's selection of a reference

voltage and sensing resistor.

CONFIDENTIAL 10

Capstan motor

Capsten motor is a bipolar motor and driven by driver IC DRV8821. DRV8821 is designed to drive

dual bipolar stepping motor and includes pulse-width-modulation (PWM) control of ouput current to

1.5A MAX For PWM control, the maximum output current is determined by user's selection of a

reference voltage and sensing resistor.

LED & Sensors

Status/Error LED

Show printer status and error message.

- LED White blinking: Ready or Busy.

- LED Red blinking: Error.

- LED Yellow blinking: Low Battery.

LE/Jam/Paper Out Sensor

Detect the existence of paper.

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